Peterson, Bryan F. <br/><br/>
Understanding exposure / 
Bryan Peterson. 
 - New York :  Amphoto,  1990. 
 - 144 p. :  col. ill. ;  29 cm. 
<br/><br/><label>ISBN: </label>0817437118 9780817437114 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Photography--Exposure.