共 40 条
[31]
Nixon P.H., 1973, LESOTHO KIMBERLITES, P48
[32]
ONYEAGOCHA AC, 1973, THESIS U WASHINGTON
[33]
SNETSINGER KG, 1967, AM MINERAL, V52, P1322
[36]
Trommsdorff V, 1974, SCHWEIZ MINER PETROG, V54, P333
[40]
ZEN E, 1972, AM MINERAL, V57, P524