共 13 条
[1]
BETZ JD, 1950, J AM WATER WORKS ASS, V42, P49
[2]
Biedermann W., 1948, CHIMIA, V2, P56
[3]
CANTINO EC, 1946, SOIL SCI, V5, P361
[4]
CONNERS JJ, 1950, J AM WATER WORKS ASS, V42, P33
[5]
Diehl H., 1950, J AM WATER WORKS ASS, V42, P40
[6]
INGOLS RS, 1949, FILTER PRESS, V4, P5
[7]
ROSSUM JR, 1949, WATER SEWAGE WORKS, V96, P391
[10]
SCHWARZENBACH G, 1947, HELV CHIM ACTA, V30, P678