Negm, A. S., I. A. Eshrah, and R. I. Badr,
"Electromagnetic scattering from a buried cylinder using T-matrix and signal-flow-graph approach",
Antennas and Propagation (EuCAP), 2015 9th European Conference on Antennas and Propagation, Lisbon, Portugal, 13-17 April, 2015.