Microwaves, Antennas and Propagation, IEE Proceedings H
IEE Proceedings H Microwaves, Antennas and Propagation > 1986 > 133 > 2 > 81 - 90
IEE Proceedings H Microwaves, Antennas and Propagation > 1986 > 133 > 5 > 368 - 374
IEE Proceedings H Microwaves, Antennas and Propagation > 1987 > 134 > 2 > 156 - 162