@book{34564,
	author = {Ayyanna, C.},
	title = {Recent trends in biotechnology: proceedings of the Ninth National Convention of Chemical Engineering and International Symposium on "Importance of Biotechnology in Coming Decades /},
	publisher = {Tata McGraw Hill,},
	year = {1993.},
	address = {New Delhi :},
	note = {Includes author index}
}