@book{27238,
	author = {Abeer Aboelgawad Zaki and Fathi Hassen Salah , },
	title = {Ray Teacer modeler a new interactive geometric modeler for 3-D realistic computer generated pictures / },
	publisher = {Abeer Aboelgawad Zaki , },
	year = {1996},
	address = {Cairo : },
	url = {http://172.23.153.220/th.pdf}
}