@book{26746,
	author = {Cooke, Hereward Lester. and National Gallery of Art (U. S.)},
	title = {Painting techniques of the masters.},
	publisher = {Watson-Guptill Publications},
	year = {[1972]},
	address = {New York},
	edition = {[Rev., enl. ed.]},
	note = {"Published in cooperation with the National Gallery of Art."}
}