1. Time-domain finite difference approach to the calculation of the frequency-dependent characteristics of microstrip discontinuities
2. Finite difference time-domain analysis of planar microwave circuits
3. Implementation eines Verfahrens zur Berechnung elektromagnetischer Felder planarer Mikrowellengrundshaltungen mit der FDTD-Methode auf einam Parallelrechnersystem, diploma-thesis, Duisburg University, 1993.
4. ‘Simulation of radiation from a microstrip antenna using three-dimensional finite-difference time-domain (FDTD) method’, 8th Int. Conf. on Antennas and Propagation, IEE Conf. Pub. No. 370, Part 2, 1993, pp. 639-642.
5. ‘FDTD modelling of 3D optical pulse propagation in linear and non-linear materials’, 2nd Int. Conf. on Computation in Electromagnetics, IEE Conf. Pub. No. 384, 1994, pp. 166-169.