@book{7412,
	author = {Beer, Ferdinand P. and Jr., E. Russell Johnston.},
	title = {Vector mechanics for engineers : Statics},
	publisher = {McGraw-Hill Inc.,US,},
	year = {1977.},
	address = {[S.l.] :},
	edition = {3rd ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0070042780/chopaconline-20}
}