Waste water engineering/
Kaul, S.N.
Waste water engineering/ S.N. Kaul, Arvind Kumar. - New Delhi: A.P.H., 2006. - 4 v. : ill. ; 25 cm.
8176489891
Sewage--Purification
Water--Purification
363.7284 / KAU/W
Waste water engineering/ S.N. Kaul, Arvind Kumar. - New Delhi: A.P.H., 2006. - 4 v. : ill. ; 25 cm.
8176489891
Sewage--Purification
Water--Purification
363.7284 / KAU/W