Gruen, Al <br/><br/>
Contact sheet :  the secret of creative photography / 
Al Gruen 
 - New York :  Amphoto,  1982 
 - 187 p. ;  28 cm. 
<br/><br/><label>ISBN: </label>0817437053 
<br/><br/><label>LCCN: </label>81-051452 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Photography, Artistic