@book{87432,
	author = {Wolff, David.},
	title = {OpenGL 4 shading language cookbook /},
	publisher = {Packt Publishing,},
	year = {2013.},
	address = {Birmingham :},
	edition = {Second edition.},
	note = {Includes index.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10825541}
}