Ellis, Carleton <br/><br/>
The Chemical Action of Ultraviolet Rays/ 
By Carleton Ellis and Alfred A. Wells; assisted by Norris Boehmr 
 - 362 pages:  ills.;  24cm. 
<br/><br/>Includes bibliographical references and an index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Photochemistry<br/>Ultraviolet radiation<br/>Ultraviolet Rays
<br/><br/><label>National Library of Medicine Call No.: </label>WB117