Ultraviolet radiation. 

 - Geneva :  World Health Organization,  1994 
 - 352 p. : 
 - Environmental health criteria ; .
<br/><br/> "Published under the joint sponsorship of the United Nations Environment Programme, the World Health Organization and the International Radiation Protection Association."-0- 
<br/><br/><label>ISBN: </label>GOVT-DOC2803 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Villages-Directory.--India-Rajasthan (India)-Districts-India-Census, 1991.
<br/><br/><label>Dewey Class. No.: </label>616.9897  / Ul