共 13 条
[2]
CAMPBELL RS, 1964, PURDUE U ENG B E 117, V49, P17
[3]
CAMPBELL RS, 1965, S ACID MINE DRAINAGE, P188
[5]
COLE GA, 1949, THESIS U MINNESOTA
[6]
CRAWFORD BT, 1942, THESIS U MISSOURI
[7]
EGGLETON RE, 1939, PUBL AM ASSOC ADVAN, V10, P123
[8]
HEATON JR, 1951, THESIS U MISSOURI
[9]
LACKEY JB, 1938, PUBLIC HEALTH REPT U, V54, P740
[10]
LENZ F, 1931, VERH INT VER LIMNOL, V5, P232