The biologic effects of ultraviolet radiation :  (with emphasis on the skin) / 
Frederick Urbach 
 - Oxford :  Pergamon Press,  1969 
 - xv, 704 p. :  ill. ;  26 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label> RM 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radiation, Ionizing<br/>Radiation injuries
<br/><br/><label>National Library of Medicine Call No.: </label>WN620