@book{1993,
	author = {Baruch, T.C. and Barthakur, H.P.},
	title = {A Textbook of Soil Analysis /},
	publisher = {Sangam Books Ltd,},
	year = {2001.},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/8125903666/chopaconline-20}
}