共 6 条
[1]
[Anonymous], 1968, RECOMMENDED STANDARD
[2]
Haseltine TR, 1956, BIOL TREATMENT SEWAG, V1, P257
[3]
MCKINNEY ROSS E., 1965, J WATER POLLUT CONTR FED, V37, P1696
[4]
SAWYER CN, 1960, J WATER POLLUT CON F, V32, P232
[5]
ULLRICH AH, 1957, SEWAGE IND WASTES, V29, P400
[6]
ULLRICH AH, 1951, SEWAGE IND WASTES, V23, P1248