@book{19941,
	author = {GARG ,S.K.},
	title = {ENVIRONMENTAL ENGINEERING VOL II : SEWAGE DISPOSAL AND AIR POLLUTION ENGINEERING},
	publisher = {KHANNA PUBLISHERS},
	year = {1979 R.P. 2019},
	edition = {39TH},
	note = {RBPL78614/19-20}
}