共 6 条
[1]
Berle E, 1927, Z ELKTROCHEM ANGEW P, V40, P245
[2]
COWARD HF, 1929, T I MINING ENGR, V78, P94
[4]
HUNSMANN W, 1957, TECHN UBERW MUNCHEN, V9, P228
[5]
JONES GW, 1943, 653 BUR MIN TECHN PA, P47
[6]
[No title captured]