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- [2] COOPERATIVE SENSITIZATION OF LUMINESCENCE IN CRYSTALS ACTIVATED WITH RARE EARTH IONS JETP LETTERS-USSR, 1966, 4 (11): : 317 - &
- [5] THE LUMINESCENCE OF RARE EARTH IONS IN NACL CRYSTALS OPTIKA I SPEKTROSKOPIYA, 1964, 17 (01): : 141 - 143
- [10] NATURE OF LIGHT ABSORPTION AND LUMINESCENCE BANDS IN CRYSTALS ACTIVATED WITH RARE-EARTH IONS SOVIET PHYSICS SOLID STATE,USSR, 1967, 8 (12): : 2796 - +