Diagnostic imaging:  Photographic principles unit one/ 
Alan Castle. 
 - Lancerster :  POSTRAD,  1985. 
 - 55 pages. :  illustrations ;  30 cm 
<br/><br/><label>ISBN: </label>1851640002 (paper bag) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Diagnostic imaging--handbooks<br/>Photography<br/>Imaging