Watkins, Derek. <br/><br/>
Practical photographic enlarging / 
Derek Watkins. 
 - New York :  American Photographic Book Publishing Co.,  1974. 
 - 220 p. :  ill. ;  22 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography : p. 212. 
<br/><br/>392  392 
<br/><br/><label>ISBN: </label>0-8174-0586-0 0-13-692251-1 0-13-692269-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Specific fields & kinds of photography.
<br/><br/><label>Dewey Class. No.: </label>778.1 / W32p