共 5 条
[1]
FLUGE M, 1989, ELECTRON LETT, V25, P44, DOI 10.1049/el:19890032
[2]
HAUENSCHILD J, 1989, SEP ESSCIRC 89 C P V, P226
[4]
REIN HM, 1990, IN PRESS IEE P G, V137