共 8 条
- [1] Bergman AG, 1941, CR ACAD SCI URSS, V30, P818
- [3] Goldschmidt V.M, 1926, SKRIFTER NORSKE V MN, V8, P7
- [4] Remy H, 1940, RECL TRAV CHIM PAY-B, V59, P516
- [6] ROY DM, 1953, IN PRESS J AM CERAM, V36, P12
- [7] THILO E, 1952, Z PHYS CHEM-LEIPZIG, V199, P125
- [8] 1949, B NATL RES COUNCIL, V118