共 18 条
- [1] BRECHER C, TO BE PUBLISHED
- [2] ON THE INTENSITIES AND THE MULTIPOLE CHARACTER IN THE SPECTRA OF THE RARE EARTH IONS [J]. PHYSICA, 1945, 11 (04): : 231 - 250
- [3] CHARLES R, PRIVATE COMMUNICATIO
- [4] JOOS G, 1941, CHEM PHYSIK, V39, P25
- [5] OPTICAL MASER ACTION IN EUROPIUM BENZOYLACETONATE [J]. PHYSICS LETTERS, 1963, 4 (02): : 133 - 135
- [6] LEMPICKI A, 1963, P S OPTICAL MASERS, P347
- [7] STIMULATED OPTICAL EMISSION IN FLUORESCENT SOLIDS .1. THEORETICAL CONSIDERATIONS [J]. PHYSICAL REVIEW, 1961, 123 (04): : 1145 - +
- [9] MITCHELL AGC, 1961, RESONANCE RADIATION