Johnson, Chris  1948- <br/><br/>
The practical zone system / 
Chris Johnson 
 - Boston, Mass. :  Focal Press,  c1999 
 - 192 p. :  ill. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0240803280 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ZONE SYSTEM (PHOTOGRAPHY)
<br/><br/><label>LC Class. No.: </label>TR591  / J636P 1999