@book{5921,
	author = {Alavala, Chennakesava R.},
	title = {CAD/CAM: concepts and applications },
	publisher = {PHI Learning,},
	year = {2008.},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/8120333403/chopaconline-20}
}