@book{13038,
	author = {Shah, P. J.},
	title = {A textbook of machine drawing /},
	publisher = {S Chand & Co Ltd,},
	year = {2010.},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/8121929660/chopaconline-20}
}