Langford, Michael John,    1933- <br/><br/>
Basic photography :    a primer for professionals /  
Micheal J. La ngford. 
 - 2nd ed. 
 - London :    The Focal Press,    1971. 
 - xvi, 375 p. :    ill. ;    21 cm. 
<br/><br/>Index: p. 371-375 
<br/><br/><label>ISBN: </label>0240506170 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Photography
<br/><br/><label>National Library of Medicine Call No.: </label>WN 220   /  L263d 1971