@book{17462,
	author = {Martín i Roig, Gabriel, and Bye, Eric A.},
	title = {Light and shadow in drawing /},
	publisher = {Barron's Educational Series,},
	year = {c2006.},
	series = {Drawing academy},
	address = {Hauppauge, NY :},
	url = {http://www.loc.gov/catdir/enhancements/fy0625/2005909289-d.html}
}