@book{6753,
	author = {Singh, Alam.},
	title = {Soil engineering :},
	publisher = {CBS Publishers & Distributors,},
	year = {2006.},
	address = {[S.l.] :},
	edition = {4th ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/812390276X/chopaconline-20}
}