@book{4765,
	author = {Singal, R. K.},
	title = {Mechanical Vibrations /},
	publisher = {S.k. Kataria & Sons,},
	year = {2011.},
	series = {For me branch.},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/9350140381/chopaconline-20}
}