共 52 条
[12]
Dupuy C., 1986, Journal of African Earth Sciences, V5, P209, DOI 10.1016/0899-5362(86)90012-6
[13]
Frey F.A., 1984, RARE EARTH ELEMENT G, V2, P153
[16]
FREY FA, 1980, AM J SCI, V280, P427
[19]
IRVING AJ, 1980, AM J SCI, V280, P389