M. Ghaffari-Miab, F. Valdes, R. Faraji-Dana, and E. Michielssen, "Time-Domain Integral Equation Solver for Planar Circuits over Layered Media Using Finite Difference Generated Green’s Functions," IEEE Trans. Antennas Propag., vol. 62, no. 6, pp. 3076-3090, 2014.
F. Valdes, M. Ghaffari-Miab, F. P. Andriulli, K. Cools, and E. Michielssen, "High-order Calderon Preconditioned Time Domain Integral Equation Solvers," IEEE Trans. Antennas Propag., vol. 61, pp. 2570-2588, 2013. 
M. Ghaffari-Miab, Z. H. Firouzeh, R. Faraji-Dana, R. Moini, S. H. H. Sadeghi, and G. A. E. Vandenbosch, "Time-domain MoM for the analysis of thin-wire structures above half-space media using complex-time Green's functions and band-limited quadratic B-spline temporal basis functions," Engineering Analysis with Boundary Elements, vol. 36, pp. 1116-1124, 2012.
M. H. Haddad, M. Ghaffari-Miab, and R. Faraji-Dana, "Transient analysis of thin-wire structures above a multilayer medium using complex-time Green's functions," Microwaves, Antennas & Propagation, IET, vol. 4, pp. 1937-1947, 2010.
M. Ghaffari-Miab, A. Farmahini-Farahani, R. Faraji-Dana, and C. Lucas, "An efficient hybrid swarm intelligence-gradient optimization method for complex time Green’s functions of multilayer media," Progress In Electromagnetics Research, PIER, vol. 77, pp. 181–192, 2007.