Clark, K. C. <br/><br/>
Positioning in radiography / 
Kathleen Clara Clark. 
 - 9th ed. 
 - London :  Ilford,  1974. 
 - 468 p. :  ill. ;  29 cm. 
<br/><br/><label>ISBN: </label>0815117515 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radiography.