@book{4592,
	author = {Somayaji, Shan.},
	title = {Civil Engineering Materials },
	publisher = {Prentice Hall,},
	year = {2012.},
	series = {2nd edition.},
	address = {[S.l.] :},
	edition = {2nd ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/013083906X/chopaconline-20}
}
