共 15 条
[11]
OHLSEN JM, 1989, APPL PHYS LETT, V55, P1208
[13]
WELTER H, 1991, IN PRESS 10TH P EC P
[14]
WELTER H, 1990, THESIS FREIBURG
[15]
WETTLING W, 1990, 21ST P IEEE PVSC, P357