@book{20194,
	author = {PUNMIA, B. C / JAIN, A. K. / JAIN, A. K.},
	title = {ENVIRONMENTAL ENGINEERING -II : WASTE WATER ENGINEERING ( INCLUDING AIR POLLUTION) },
	publisher = {LAXMI PUBLICATION (P) LTD},
	year = {1996 R.P.2020},
	note = {RBPPL80774/20-21}
}