@book{12806,
	author = {Khachaturian, Narbey  and Garfinkel, German,},
	title = {Prestressed Concrete /},
	publisher = {McGraw-Hill,},
	year = {1969.},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/B007SZW4BS/chopaconline-20}
}