@book{6784,
	author = {Beer, Ferdinand.},
	title = {Vector mechanics for engineers : statics & dynamics},
	publisher = {McGraw-Hill,},
	year = {1984.},
	series = {Nineth.},
	address = {New York:},
	url = {http://www.amazon.com/exec/obidos/ASIN/B006RQSUZS/chopaconline-20}
}