Picture of Karlheinz Ochs
Karlheinz Ochs

Associate Professor

Raum: ID 1/148
Tel.: +49 (0)234/32-22855
E-Mail: Karlheinz.Ochs@rub.de


Publications

Conference-Papers

8

2023
8
Wave Digital Emulation of a Light-Modulated Central Pattern Generator

S. Jenderny | K. Ochs | Oways Alsoloh

2023 - 21st IEEE NEWCAS, Edinburgh, Scotland
7
A Reservoir Computer-Based Modeling of Hunting Dynamics in Predator-Prey Scenarios

S. Jenderny | K. Ochs | Kamel Naoum Naame

2023 - 21st IEEE NEWCAS, Edinburgh, Scotland
6
A Simplified Hindmarsh-Rose Model Based on Power-Flow Analysis

S. Jenderny | K. Ochs | Matthew Gibson | Philipp Hövel

2023 - 21st IEEE NEWCAS, Edinburgh, Scotland
5
Wave Digital Optimization of a Modified Compact Models of 1T-1R Random Resistive Access Memory Cells

B. Al Beattie | Max Uhlmann | Gerhard Kahmen | K. Ochs

2023 - DPG-Conference 2023, Dresden, Germany
4
On the Correlation of Functionality and Lyapunov Stability in Oscillator-based Ising machines

B. Al Beattie | Maximiliane Noll | Hermann Kohlstedt | K. Ochs

2023 - DPG Conference 2023, Dresden, Germany
3
Mimicking axon-growth by a bio-inspired memristive circuit

S. Jenderny | B. Al Beattie | K. Ochs

2023 - DPG-Conference 2023, Dresden Germany
2
A first approach for mimicking guided axon-growth by electrical circuits

B. Al Beattie | S. Jenderny | K. Ochs | D. Michaelis

2023 - DPG-Conference 2023, Dresden, Germany
1
Power-flow-based circuit synthesis of neuronal dynamics

K. Ochs | S. Jenderny | Philipp Hövel

2023 - DPG-Conference 2023, Dresden Germany
7

2022
7
Wave Digital Emulation of a Bio-Inspired Circuit for Axon Growth

S. Jenderny | K. Ochs

2022 - IEEE BioCAS 2022, Taipei, Taiwan
6
An Ideal Circuit for Guided Axon-Growth

B. Al Beattie | S. Jenderny | K. Ochs

2022 - 2022 - ColorLine Workshop, Kiel, Germany and Oslo, Norway
5
Synthesis, Analysis and Design of Memristively Coupled Oscillators in ASIC Technology

Muralidhar, Bharath | Rieger, Robert | B. Al Beattie | K. Ochs | Uhlmann, Max | Wenger, Christian

2022 - 2022 - ColorLine Workshop, Kiel, Germany and Oslo, Norway
4
An Electrical Circuit for Hindmarsh-Rose-like Neuronal Dynamics

S. Jenderny | K. Ochs | Philipp Hövel

2022 - ColorLine Workshop, Kiel, Germany and Oslo, Norway
3
Neuronal network formation in Hydra and concepts for modelling

Christopher Noack | S. Jenderny | Dijana Pavleska | Wilhelm Braun | Christoph Giez | Claus Hilgetag | Alexander Klimovich | K. Ochs | Thomas Bosch

2022 - ColorLine Workshop, Kiel, Germany and Oslo, Norway
2
Towards A Self-Organzing Neuronal Network Based on Guided Axon-Growth

D. Michaelis | K. Ochs | B. Al Beattie | S. Jenderny

2022 - IEEE 65th MWSCAS 2022, Fukuoka, Japan
1
Towards Wave Digital Modeling of Neural Pathways Using Two-Port Coupling Networks

K. Ochs | B. Al Beattie

2022 - IEEE 55th ISCAS, Austin, Texas, USA
11

2021
11
Wave Digital Emulation of Hydra's Neuronal Activity

S. Jenderny | K. Ochs | Christoph Giez | Alexander Klimovich | Thomas Bosch

2021 - DPG-Tagung, Germany
10
Decision-Making Processes by a Kuramoto Model with Hebbian Learning: Circuit Synthesis and Wave Digital Emulation

S. Jenderny | D. Michaelis | K. Ochs

2021 - DPG-Tagung, Germany
9
A Memristive Circuit for a Delay-Based Supervised Classifier

D. Michaelis | S. Jenderny | K. Ochs

2021 - DPG-Tagung, Germany
8
Mimicking Delay-Based Self-Sustaining Gait Pattern Generators

D. Michaelis | S. Jenderny | K. Ochs

2021 - DPG-Tagung, Germany
7
Towards an Improved Anticipation Circuit with Self-Organized Resonance-Frequency-Adaption

K. Ochs | S. Jenderny

2021 - DPG-Tagung, Germany
6
Optimal Topology Formation of Memristive Neuronal Networks

D. Michaelis | S. Jenderny | K. Ochs

2021 - DPG-Tagung, Germany
5
Solving the Vertex Cover Problem with a Wave Digital Model of an Ising Machine

B. Al Beattie | K. Ochs

2021 - DPG-Tagung, Germany
4
A Self-Organizing Gait Pattern Generator Exploiting an Electrical Circuit for Axon Growth

D. Michaelis | S. Jenderny | K. Ochs

2021 - IEEE 64th MWSCAS, Michigan, USA
3
A Memristive Circuit for Gait Pattern Classification Based on Self-Organized Axon Growth

D. Michaelis | K. Ochs | S. Jenderny

2021 - IEEE 64th MWSCAS, Michigan, USA
2
Kuramoto Model with Hebbian Learning Mimics Spatial Correlations Causing an Optical Illusion

K. Ochs | D. Michaelis | S. Jenderny | Marc-Kevin Szymendera

2021 - IEEE 64th MWSCAS, Michigan, USA
1
An Ising Machine Solving Max-Cut Problems based on the Circuit Synthesis of the Phase Dynamics of a Modified Kuramoto Model

K. Ochs | B. Al Beattie | S. Jenderny

2021 - IEEE 64th MWSCAS, Michigan, USA
2

2020
2
Mimicking Neuroplasticity by Memristive Circuits

K. Ochs | D. Michaelis | S. Jenderny | Hermann Kohlstedt

2020 - IEEE 63rd MWSCAS, Springfield, USA
1
Anticipation of Irregular Patterns: A Wave Digital Approach

K. Ochs | S. Jenderny | E. Solan

2020 - IEEE 63rd MWSCAS, Springfield, USA
13

2019
13
Synchronization of nonlinearly coupled Networks of Chua Oscillators

Petro Feketa | Alexander Schaum | Thomas Meurer | D. Michaelis | K. Ochs

2019 - IFAC 11th NOLCOS, Vienna, Austria
12
Synchronization in Memristive Circuits and Related Applications

D. Michaelis | K. Ochs

2019 - ColorLine Workshop, Kiel, Germany and Oslo, Norway
11
Wave Digital Emulation of Synapses and Neuronal Oscillators

D. Michaelis | K. Ochs

2019 - ColorLine Workshop, Kiel, Germany and Oslo, Norway
10
Towards a Self-Organizing Deciphering System Based on a Wave Digital Emulator

K. Ochs | E. Solan | D. Michaelis | Leon Schmitz

2019 - IEEE 62nd MWSCAS, Dallas, USA
9
Solving the Longest Path Problem Using a HfO2-Based Wave Digital Memristor Model

K. Ochs | D. Michaelis | E. Solan

2019 - IEEE 62nd MWSCAS, Dallas, USA
8
Wave Digital Emulation of a Memristive Circuit to Find the Minimum Spanning Tree

K. Ochs | D. Michaelis | E. Solan

2019 - IEEE 62nd MWSCAS, Dallas, USA
7
Emulation of a Navigation Processor with Physical Memristors Models

K. Ochs | E. Solan | D. Michaelis | Leonard Hilgers

2019 - 30th ISSC, Maynooth, Ireland
6
Circuit Synthesis and Electrical Interpretation of Synchronization in the Kuramoto Model

K. Ochs | D. Michaelis | Julian Roggendorf

2019 - 30th ISSC, Maynooth, Ireland
5
Towards Wave Digital Memcomputing with Physical Memristor Models

K. Ochs | E. Solan | D. Michaelis | Maximilian Herbrechter

2019 - IEEE 52nd ISCAS, Sapporo, Japan
4
HfO2-based Memristive Navigation Processor

K. Ochs | E. Solan | D. Michaelis | Leonard Hilgers

2019 - DPG-Frühjahrstagung, Aachen, Germany
3
Universal Self-Organizing Logic Gates: A Wave Digital Emulation

K. Ochs | E. Solan | D. Michaelis | Leon Schmitz

2019 - DPG-Frühjahrstagung, Aachen, Germany
2
Solving the NP-complete Subset Sum Problem with an Electrical Circuit Using Physical Memristor Models

K. Ochs | E. Solan | D. Michaelis | Maximilian Herbrechter

2019 - DPG-Frühjahrstagung, Aachen, Germany
1
Circuit Synthesis of the Kuramoto Model and Electrical Interpretation of its Synchronization Condition

K. Ochs | D. Michaelis | Julian Roggendorf | Petro Feketa | Alexander Schaum | Thomas Meurer

2019 - DPG-Frühjahrstagung, Aachen, Germany
5

2018
5
An Optimized Morris-Lecar Neuron Model Using Wave Digital Principles

K. Ochs | D. Michaelis | S. Jenderny

2018 - IEEE 61st MWSCAS, Windsor, Canada
4
Mimicking Gait Pattern Generators

K. Ochs | D. Michaelis | S. Jenderny

2018 - IEEE 61st MWSCAS, Windsor, Canada
3
Neural Network Topology Formation Using Memristive Jaumann Structures

K. Ochs | D. Michaelis

2018 - IEEE 61st MWSCAS, Windsor, Canada
2
On the Identification of Piecewise Constant LTV Systems Using a Double Periodic System Model

Tim Poguntke | K. Ochs

2018 - 29th Irish Signals and Systems Conference (ISSC)
1
Memristive Devices in a Chua Circuit: Comprizing Memory and deterministic Chaos

Tom Birkoben | Mirko Hansen | Martin Ziegler | K. Ochs | E. Solan | Hermann Kohlstedt

2018 - DPG, Berlin
8

2017
8
A System-Theoretic View on Breathing Detection Using Chirp Sequence Modulated Radar Sensors

Tim Poguntke | Davi Duarte de Carvalho Filho | K. Ochs

2017 - New Generation of CAS
7
A Consistent Modeling of Passive Memcapacitive Systems

K. Ochs | E. Solan

2017 - IEEE 60th MWSCAS, Boston, MA, USA
6
Parameter Identification of a Double Barrier Memristive Device

E. Solan | K. Ochs

2017 - IEEE 60th MWSCAS, Boston, MA, USA
5
Wave Digital Emulation of Spike-Timing Dependent Plasticity

K. Ochs | Eloy Hernandez-Guevara | E. Solan

2017 - IEEE 60th MWSCAS, Boston, MA, USA
4
Wave Digital Information Anticipator

K. Ochs | Eloy Hernandez-Guevara | E. Solan

2017 - IEEE 60th MWSCAS, Boston, MA, USA
3
A Concentrated Model of the Double Barrier Memristive Device for LTSpice Simulations

E. Solan | Sven Dirkmann | Martin Ziegler | Mirko Hansen | Hermann Kohlstedt | Thomas Mussenbrock | K. Ochs

2017 - DPG Dresden
2
An FPGA Implementation of a Memristive System Based on Wave Digital Principles

E. Solan | Benedikt Janssen | K. Ochs | Michael Hübner

2017 - DPG Dresden
1
Ion dynamics in double barrier memristive devices

Sven Dirkmann | Mirko Hansen | Martin Ziegler | E. Solan | K. Ochs | Hermann Kohlstedt | Thomas Mussenbrock

2017 - DPG Dresden
8

2016
8
Wave Digital Emulation of a Double Barrier Memristive Device

K. Ochs | E. Solan | Sven Dirkmann | Thomas Mussenbrock

2016 - IEEE 59th MWSCAS, Abu Dhabi, UAE
7
Sensitivity Analysis of Memristors Based on Emulation Techniques

K. Ochs | E. Solan

2016 - IEEE 59th MWSCAS, Abu Dhabi, UAE
6
Wave Digital Emulation of Charge- or Flux-Controlled Memristors

K. Ochs | E. Solan

2016 - IEEE 59th MWSCAS, Abu Dhabi, UAE
5
Linear Time-Variant System Identification Using FMCW Radar Systems

Tim Poguntke | K. Ochs

2016 - IEEE 59th MWSCAS, Abu Dhabi, UAE
4
Anticipation of Information - Software Demonstrator

E. Solan | K. Ochs

2016 - 1st International Workshop on Memristive devices for neuronal Systems, Kiel-Oslo
3
Wave Digital Emulation of Memristive Devices and Systems

E. Solan | K. Ochs | Sven Dirkmann | Thomas Mussenbrock

2016 - 1st International Workshop on Memristive devices for neuronal Systems, Kiel-Oslo
2
Optimal filter design for signal estimation based on linear time-variant system theory

K. Ochs | Tim Poguntke

2016 - IEEE International Symposium on Circuits and Systems (ISCAS)
1
Ion transport in memristive double barrier devices

Sven Dirkmann | Jan Trieschmann | Tobias Gerg | E. Solan | Mirko Hansen | Martin Ziegler | K. Ochs | Hermann Kohlstedt | Thomas Mussenbrock

2016 - Regensburg, Germany
1

2014
1
Simultaneous Diagonalization: On the DoF Region of the K-user MIMO Multi-way Relay Channel

A. Chaaban | K. Ochs | A. Sezgin

2014 - European Wireless 2014, Barcelona, Spain
1

2013
1
The Degrees of Freedom of the MIMO Y-channel

A. Chaaban | K. Ochs | A. Sezgin

2013 - Proc. of IEEE International Symposium on Info. Theory (ISIT), Istanbul
1

2011
1
Eine minimale Schaltung für mehrdimensional passive Systeme.

K. Ochs

2011 - 17. Steirisches Seminar über Regelungstechnik und Prozessautomatisierung (SSRP), 212-234, Leibnitz, Österreich
1

2010
1
A Modular Approach to Multidimensional Wave Digital Modeling of Passive PDEs

C. Leuer | K. Ochs

2010 - Proceeding of the 53rd IEEE Intern. Midwest Symposium on Circuits and Systems (MWSCAS), 1081-1084, Seattle, Washington
3

2009
3
Initialization of linear multistep methods in multidimensional wave digital models.

G. Hetmanczyk | K. Ochs

2009 - Proc. of the 52nd IEEE International Midwest Symposium on Circuits and Systems (MWSCAS), 786-789, Cancun, Mexiko
2
Systematic derivation of reference circuits for wave digital modelling of passive linear partial differential equations

C. Leuer | K. Ochs

2009 - Proceedings of the 52nd IEEE International Midwest Symposium on Circuits and Systems (MWSCAS), 782-785, Cancun, Mexiko
1
Systematische Wellendigital-Synthese für eine Klasse passiver verteilter Systeme

C. Leuer | K. Ochs

2009 - 16. Steirisches Seminar über Regelungstechnik und Prozessautomatisierung (SSRP), ISBN: 978-3-901439-08-7, 117-149, Leibnitz, Austria
1

2008
1
Wave digital simulation of Burgers' equation using Gear's method

G. Hetmanczyk | K. Ochs

2008 - Proc. of the 51st IEEE International Midwest Symposium on Circuits and Systems (MWSCAS), 161-164, Knoxville, TN
1

2007
1
A Parameterization of Band-Limited Nyquist Pulses

K. Ochs

2007 - 2007 IEEE Workshop on Signal Processing Systems, 452 - 456, Shanghai, China
1

2004
1
Electrical Circuit Representations of the Neutron Diffusion Equation

K. Ochs | K. Luhmann

2004 - The 47th IEEE Intern. Midwest Symposium on Circuits and Systems (MWSCAS), 405-408, Hiroshima, Japan
1

2003
1
Wellendigitalsimulation mit passiven Zweischritt-Runge-Kutta-Verfahren

D. Fränken | K. Ochs

2003 - 13. Steirisches Seminar über Regelungstechnik und Prozessautomatisierung, 131-152, Leibnitz, Österreich
1

2002
1
A passive two-step Runge-Kutta method for the simulation of nonlinear electrical networks

D. Fränken | K. Ochs | M. Schmidt

2002 - Intern. Symp. on Nonlinear Theory and its Applications (NOLTA), 347-350, Xi'an, China
3

2001
3
Systematischer Entwurf von Wellendigitalstrukturen

K. Ochs | B. Stein

2001 - 15. Symposium Simulationstechnik (ASIM), 61-66, Paderborn, Deutschland
2
Wave digital simulation of nonlinear electrical networks by means of passive Runge-Kutta methods

D. Fränken | K. Ochs

2001 - IEEE Intern. Symp. on Circuits and Systems (ISCAS), vol. 3, 469-472, Sydney, Australien
1
Numerical stability properties of passive Runge-Kutta methods

D. Fränken | K. Ochs

2001 - IEEE Intern. Symp. on Circuits and Systems (ISCAS), vol. 3, 473-476, Sydney, Australien
1

1998
1
A new digital equalizer based on complex signal processing

K. Meerkötter | K. Ochs

1998 - Communication System & Digital Signal Processing (CSDSP), vol. 1, 113-116, Sheffield, UK
Publications

Journal-Papers

6

2023
6
Wave Digital Emulation of an Enhanced Compact Model for RRAM Devices With Multilevel Capability

B. Al Beattie | Emilio Pérez-Bosch Quesada | Max Uhlmann | Eduardo Pérez | Gerhard Kahmen | E. Solan | K. Ochs

2023 - IEEE Transactions on Nanotechnology
5
A better SPQR-tree decomposition of electrical circuits containing multiports and its application to wave digital emulation

B. Al Beattie | K. Ochs

2023 - International Journal of Circuit Theory and Applications
4
A memristor-based circuit approximation of the Hindmarsh–Rose model

S. Jenderny | K. Ochs | Philipp Hövel

2023 - The European Physical Journal B
3
Solving a one-dimensional moving boundary problem based on wave digital principles

B. Al Beattie | K. Ochs

2023 - Springer Nature’s Multidimensional Systems and Signal Processing
2
Synchronization measurement based on Poincaré’s sphere

K. Ochs | B. Al Beattie

2023 - Springer Nature‘s Nonlinear Dynamics
1
A network-theoretical perspective on oscillator-based Ising machines

B. Al Beattie | K. Ochs

2023 - International Journal of Circuit Theory and Applications
1

2022
1
Wave digital model of calcium-imaging-based neuronal activity of mice

S. Jenderny | K. Ochs

2022 - International Journal of Numerical Modelling: Electronic Networks, Devices and Fields
2

2021
2
An equivalent electrical circuit for the Hindmarsh-Rose model

K. Ochs | S. Jenderny

2021 - International Journal of Circuit Theory and Applications
1
Synthesis of an Equivalent Circuit for Spike-Timing-Dependent Axon Growth: What Fires Together Now Really Wires Together

K. Ochs | D. Michaelis | S. Jenderny

2021 - IEEE Transactions on Circuits and Systems I: Regular Papers
1

2020
1
Synthesis, Design, and Synchronization Analysis of Coupled Linear Electrical Networks

K. Ochs | D. Michaelis | E. Solan | Petro Feketa | Alexander Schaum | Thomas Meurer

2020 - IEEE Transactions on Circuits and Systems I: Regular Papers
2

2019
2
Towards Wave Digital Memcomputing with Physical Memristor Models

K. Ochs | D. Michaelis | E. Solan

2019 - IEEE Transactions on Circuits and Systems I: Regular Papers (invited)
1
Wave Digital Model of a TiN/Ti/HfO2/TiN Memristor

E. Solan | Eduardo Perez | D. Michaelis | Christian Wenger | K. Ochs

2019 - International Journal of Numerical Modelling: Electronic Networks, Devices and Fields
2

2018
2
Energetically Consistent Modeling of Passive Memelements

K. Ochs | E. Solan

2018 - AEÜ International Journal of Electronics and Communications
1
Wave Digital Emulation of General Memristors

E. Solan | K. Ochs

2018 - International Journal of Circuit Theory & Applications
3

2017
3
Radar-based living object protection for inductive charging of electric vehicles using two-dimensional signal processing

Tim Poguntke | Philipp Schumann | K. Ochs

2017 - Wireless Power Transfer
2
Anticipation of digital patterns

K. Ochs | Martin Ziegler | Eloy Hernandez-Guevara | E. Solan | Marina Ignatov | Mirko Hansen | Mahal Singh Gill | Hermann Kohlstedt

2017 - International Journal of Circuit Theory & Applications
1
An Enhanced Lumped Element Electrical Model of a Double Barrier Memristive Device

E. Solan | Sven Dirkmann | Mirko Hansen | Dietmar Schröder | Hermann Kohlstedt | Martin Ziegler | Thomas Mussenbrock | K. Ochs

2017 - Journal of Physics D: Applied Physics
1

2013
1
An electronic implementation of amoeba anticipation

M. Ziegler | K. Ochs | Mirko Hansen | Hermann Kohlstedt

2013 - Applied Physics A, Volume 110, Issue 2, Springer-Verlag
2

2012
2
A note on stability of linear time-variant electrical circuits having constant eigenvalues

K. Ochs

2012 - International journal of circuit theory and applications
1
On systematic wave digital modeling of passive hyperbolic partial differential equations

C. Leuer | K. Ochs

2012 - International Journal of Circuit Theory and Applications, DOI: 10.1002/cta.752
2

2011
2
A practical guide to multidimensional wave digital algorithms using an example of fluid dynamics.

G. Hetmanczyk | K. Ochs

2011 - International Journal of Numerical Modelling: Electronic Networks, Devices and Fields, vol. 24, no. 2, 154-174, DOI: 10.1002/jnm.768
1
A comprehensive analytical solution of the nonlinear pendulum

K. Ochs

2011 - uropean Journal of Physics, 32 (2011) 479-490
1

2010
1
Wave digital modeling of passive systems in linear state-space form

K. Ochs

2010 - International Journal of Numerical Modelling: Electronic Networks, Devices and Fields, vol. 23, no. 1, 42-61, DOI: 10.1002/jnm.724
1

2006
1
A novel interpretation of the hyperbolization method used to solve the parabolic neutron diffusion equations by means of the wave digital concept

K. Luhmann | K. Ochs

2006 - International Journal of Numerical Modelling: Electronic Networks, Devices and Fields, vol. 19, no. 4, 345-364
1

2005
1
Ein systemtheoretischer Ansatz zur Lösung der Neutronendiffusionsgleichungen

K. Ochs

2005 - 14. Steirisches Seminar über Regelungstechnik und Prozessautomatisierung, ISBN: 3-901439-06-4, 182-202, Leibnitz, Österreich
2

2004
2
Automatic Step-size Control in Wave Digital Simulation Using Passive Numerical Integration Methods

D. Fränken | K. Ochs

2004 - Intern. Journal of Electronics and Communications (AEÜ), vol. 58, no. 6, 391-401
1
Klaus Meerkötter on the occasion of his 60th birthday

D. Fränken | K. Ochs

2004 - Intern. Journal of Electronics and Communications (AEÜ), Volume 58, Pages 2-3, Issue 1
1

2003
1
Passive Runge-Kutta methods - properties, parametric representation, and order conditions

D. Fränken | K. Ochs

2003 - IT Numerical Mathematics, vol. 43, no. 2, 339-361
1

2002
1
Improving wave digital simulation by extrapolation techniques

D. Fränken | K. Ochs

2002 - Intern. Journal of Electronics and Communications (AEÜ), vol. 56, no. 5, 327-336
2

2001
2
Synthesis and design of passive Runge-Kutta methods

D. Fränken | K. Ochs

2001 - Intern. Journal of Electronics and Communications (AEÜ), vol. 55, no. 6, 417-425
1
Passive integration methods: Fundamental theory

K. Ochs

2001 - Intern. Journal of Electronics and Communications (AEÜ), vol. 55, no. 3, 153-163
1

2000
1
An extension of Darlington's algorithm for the design of elliptic filters

K. Ochs | M. Vollmer

2000 - IEEE Transactions on Signal Processing, vol. 48, no. 9, 2709-2712
Publications

Monographs

1

2021
1
A Wave Digital Approach Towards Bio-Inspired Computing Using Memristive Networks

D. Michaelis | K. Ochs

2021 - Ziegler, M., Mussenbrock, T., Kohlstedt, H. (eds) Bio-Inspired Information Pathways. Springer Series on Bio- and Neurosystems, vol 16. Springer, Cham.
2

2012
2
Theorie zeitvarianter linearer Übertragungssysteme

K. Ochs

2012 - Reihe: Kommunikationstechnik 978-3-8440-0713-8, Shaker
1
Übertragung digitaler Signale

K. Ochs

2012 - gebundenes Manuskript zur Vorlesung, 253 Seiten, Ruhr-Universität Bochum
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