@book{586,
	author = {DUBEY,R.C.},
	title = {A Textbook of Biotechnology/},
	publisher = {S.Chand &Company Ltd.},
	year = {1993.},
	address = {New Delhi:},
	edition = {Revised  edition},
	note = {includes index},
	url = {http://www.schandgroup.com}
}