@book{2084,
	author = {M.E, Sumner.},
	title = {Handbook of soil science(spl. indian edn.) /},
	publisher = {CRC Press,},
	year = {2010.},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/B006UF5X4M/chopaconline-20}
}