@book{2783,
	author = {Ripa, L.C.},
	title = {Surveying manual /},
	publisher = {McGraw-Hill Inc.,US,},
	year = {1964.},
	address = {[S.l.] :},
	edition = {0th ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0070529353/chopaconline-20}
}