共 9 条
[1]
BREEMEN AN, 1979, WATER RES, V13, P771
[2]
GEHR R, 1978, J WPCF, V5, P203
[5]
MERRILL DT, 1975, J WATER POLLUT CON F, V47, P2783
[6]
RANDTKE SJ, 1988, J AM WATER WORKS ASS, V80, P40
[7]
SCHMID LA, 1969, J WATER POLLUT CON F, V41, P1259
[9]
1971, STANDARD METHODS EXA