共 21 条
[1]
ENERGY LEVELS IN RARE-EARTH IONS
[J].
PROCEEDINGS OF THE ROYAL SOCIETY OF LONDON SERIES A-MATHEMATICAL AND PHYSICAL SCIENCES,
1957, 240 (1223)
:509-523
[2]
FEOFILOV PP, 1962, IZV AN SSSR FIZ, V26, P435
[3]
HUTCHINGS MT, 1964, SOLID STATE PHYS, P277
[4]
Judd B. R., 1963, OPERATOR TECHNIQUES
[5]
KARISS YE, 1965, OPT SPECTROSC-USSR, V18, P247
[8]
Nielson CW., 1963, SPECTROSCOPIC COEFFI