共 7 条
[1]
Carnall W. T., 1979, Handbook on the Physics and Chemistry of Rare-earths, Vol.3. Non-metallic Compounds 1, P171, DOI 10.1016/S0168-1273(79)03007-5
[2]
Carnall W. T., 1983, SYSTEMATICS PROPERTI, P389
[4]
FOCK WA, 1934, Z PHYS, V89, P744
[5]
REISFELD R, 1977, LASERS EXCITED STATE, P37
[7]
SVETASHEV AG, 1986, OPT SPECTROSC, V59, P601