共 18 条
[2]
Clitert L.G., 1966, J CHEM PHYS, V44, P3514
[3]
Hirayama C., 1971, J NON-CRYST SOLIDS, V6, p342?356, DOI [10.1016/0022-3093(71)90025-1, DOI 10.1016/0022-3093(71)90025-1]
[5]
NELSON NF, 1963, 3RD C RAR EARTH RES, V1, P573
[7]
Patek K., 1970, GLASS LASERS
[8]
REISFELD R, 1969, ISRAEL J CHEM, V7, P613