共 8 条
[1]
Bloch P. D., 1978, IEEE ULTRASON S P, P639
[2]
GERARD HM, 1974, IEEE ULTRASON S P, P197
[7]
WILLIAMSON RC, 1977, SURFACE WAVE FILTERS, P427
[8]
WRIGHT PV, 1980, IEEE ULTRASONICS S, P282