@book{21241,
	author = {SANTRA , S.C.},
	title = {ENVIRONMENTAL SCIENCE},
	publisher = {NEW CENTRAL BOOK AGENCY},
	year = {2008.},
	address = {GUWAHATI},
	edition = {REP.},
	note = {MRP -  MINOR RESEARCH PROJECT BOOK by Dr.H.K.Phukan,Principal,SGC 02-02-2015}
}