共 18 条
[2]
BETZ JD, 1950, J AM WATER WORKS ASS, V42, P749
[3]
BETZ JD, 1950, J AM WATER WORKS ASS, V42, P49
[4]
Biedermann W., 1948, CHIMIA, V2, P56
[5]
BUSHILL J. H., 1937, Journal of the Society of Chemical Industry, V56, p411T
[8]
CONNERS JJ, 1950, J AM WATER WORKS ASS, V42, P33
[9]
Diehl H., 1950, J AM WATER WORKS ASS, V42, P40
[10]
GASTLER GEORGE F., 1949, PROC S DAKOTA ACAD SCI, V28, P77