共 50 条
- [45] CHARACTERISTICS OF THE OCCURRENCE OF F-LEVELS IN ATOMS OF THE RARE-EARTH REGION OF ELEMENTS IZVESTIYA AKADEMII NAUK SSSR SERIYA FIZICHESKAYA, 1981, 45 (12): : 2268 - 2272
- [47] METHODS OF RARE-EARTH ELEMENTS RECOVERY FROM PHOSPHOGYPSUM PRZEMYSL CHEMICZNY, 1988, 67 (11): : 497 - 499
- [48] SOURCE OF RARE-EARTH ELEMENTS IN GLAUCONITE FROM PACIFIC DOKLADY AKADEMII NAUK SSSR, 1968, 179 (02): : 440 - &
- [49] RARE-EARTH ELEMENTS IN PHOSPHORITES FROM OCEAN BOTTOM DOKLADY AKADEMII NAUK SSSR, 1972, 207 (04): : 954 - 957
- [50] NEW MAGNETOSTRICTIVE MATERIALS FROM RARE-EARTH ELEMENTS SOVIET PHYSICS ACOUSTICS-USSR, 1976, 22 (05): : 431 - 432