@book{12000,
	author = {Holtzapple, Mark. and Reece,},
	title = {Concepts in Engineering /},
	publisher = {McGraw-Hill Science/Engineering/Math,},
	year = {2007.},
	address = {[S.l.] :},
	edition = {2nd ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0073191620/chopaconline}
}