Jacobson, Kurt I. <br/><br/>
Developing :  the negative technique / 
C. I. Jacobson and R. E. Jacobson. 
 - 18th ed. 
 - London ;  New York :  Focal Press,  1972. 
 - 412 p. :  ill., plans. 
 - The Manual of photo-technique .
<br/><br/><label>ISBN: </label>0240447700 :  �4.75 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Photography--Negatives.<br/>Photography--Developing and developers.