共 16 条
[3]
COOK WR, 1956, J AM CERAM SOC, V39, P17
[5]
DREXLER O, 1961, SCI CERAM, V1, P239
[6]
DRUST G, 1950, J AM CERAM SOC, V33, P133
[8]
GRAY AL, 1956, ACUSTICA, V6, P229