Palmer, P. E. S. <br/><br/>
World Health Organization basic radiological system:  manual of darkroom technique / 
by P. E. S. Palmer 
 - Geneva :  World Health Organization,  1985 
 - 25 p. :  ill. ;  30 cm. 
<br/><br/><label>ISBN: </label>9241541784 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radiography--Films<br/>Radiography--Methods