共 7 条
[3]
Kummer Joseph T., 1968, US Patent, Patent No. [3,404,035, 3404035]
[4]
KUMMER JT, 1970, Patent No. 3488271
[6]
Wynn Jones I., 1971, Proceedings of the British Ceramic Society, P161
[7]
YAO YFY, 1967, J INORG NUCL CHEM, V29, P2453