共 21 条
[2]
ON THE INTENSITIES AND THE MULTIPOLE CHARACTER IN THE SPECTRA OF THE RARE EARTH IONS
[J].
PHYSICA,
1945, 11 (04)
:231-250
[5]
Dieke G.H., 1968, SPECTRA ENERGY LEVEL
[7]
THE LIGHT ABSORPTION IN THE NEAR INFRA RED REGION OF PRASEODYMIUM, SAMARIUM AND YTTERBIUM SOLUTIONS
[J].
PHYSICA,
1946, 11 (06)
:513-517
[10]
MEHTA PC, 1969, INDIAN J PURE AP PHY, V7, P767