@book{31919,
	author = {Freytag, Heinrich.},
	title = {The Hasselblad way},
	publisher = {Focal Press; distributed in the U.S.A. by Amphoto, New York},
	year = {[1972]},
	address = {London},
	edition = {4th ed.},
	note = {"Translated and adapted by L. A. Mannheim from Das Hasselblad-Buch."}
}