Curtin, Dennis P.,  1941- <br/><br/>
Into your darkroom step-by-step / 
Dennis P. Curtin with Steve Musselman. 
 - Somerville, Mass. :  Curtin & London,  1981. 
 - 90 p. ;  30 cm. 
<br/><br/>Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Photography--Processing.<br/>Photography--Studios and dark rooms.