共 9 条
[3]
FOSTER JR, 1971, CANDIAN MINING METAL, V11, P554
[4]
Govett GJS., 1973, J GEOCHEM EXPLOR, V2, P121, DOI [10.1016/0375-6742(73)90011-3, DOI 10.1016/0375-6742(73)90011-3]
[6]
KARKISCH J, 1974, TALANTA, V21, P1025
[8]
SMITH JD, 1971, ANAL CHIM ACTA, V57, P371
[9]
WARD FN, 1969, 1289 US GEOL SURV B, P9