Davis, Phil,  1921- <br/><br/>
Beyond the zone system / 
Phil Davis. 
 - 4th ed. 
 - Boston :  Focal Press,  c1999. 
 - x, 220 p. :  ill. ;  28 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0240803434 (pbk. : alk. paper) 9780240803432 
<br/><br/><label>LCCN: </label>98035337  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Photography--Exposure.<br/>Zone system (Photography)<br/>Photographic sensitometry.
<br/><br/><label>LC Class. No.: </label>TR591  / .D29 1999 
<br/><br/><label>Dewey Class. No.: </label>771