共 15 条
[1]
BADER M, 1968, ACUSTICA, V20, P41
[5]
GROSSMANN R, 1967, THESIS KOLN
[6]
KONONENKO VS, 1969, SOV PHYS ACOUST+, V15, P65
[7]
KURTZE G, 1953, ACUSTICA, V3, P33
[8]
LITZ W, 1966, THESIS KOLN
[9]
PESSEL H, 1963, THESIS KOLN
[10]
SCHMID G, 1965, Z ANGEW PHYSIK, V19, P36