@book{54633,
	author = {Srivastava, Meena  and  Yadav, Rajesh Singh and Srivastava, Meena },
	title = {Principles of laboratory techniques and methods : },
	publisher = {International Book Distributing Co.,},
	year = { 2007.},
	address = {Lucknow : },
	note = {includes index}
}