Gaunt, Leonard. <br/><br/>
The focalguide to the darkroom / 
(by) Leonard Gaunt. 
 - London :  Focal Press (etc.),  1978. 
 - 176p :  ill.(some col.) ;  19 cm. 
<br/><br/><label>ISBN: </label>0240510054 9780240510057 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Photography--Processing.