P. Górniak, W. Bandurski, “An Improved Vector Fitting Approach for Obtaining the Novel Impulse Response for a Diffraction on a Dielectric Convex Obstacle”, 7th European Conference on Antennas and Propagation (EuCAP), Gothenburg, Sweden, 8-12 April 2013, pp. 3292-3295, ISBN: 978-88-907018-1-8,