共 9 条
[1]
BERRY KL, 1958, Patent No. 2841470
[2]
FUJIKI Y, 1977, YOGYO KYOKAISHI, V85, P155
[3]
Gier T., 1958, United States Patent, Patent No. 2833620
[5]
MUTO F, 1962, KYOGYO KAGAKU ZASSHI, V65, P1175
[6]
OTA T, 1979, J CRYST GROWTH, V46, P331
[7]
SAITO H, 1964, KOGYO KAGAKU ZASSHI, V67, P297