Biologic effects of light :  proceedings of a symposium, Atlanta, Georgia, USA, October 13-15, 1991 / 
editors, Michael F. Holick, Albert M. Kligman. 
 - Berlin ;  New York :  W. de Gruyter,  1992. 
 - xiii, 466 p. :  ill ;  25 cm. 
<br/><br/>Includes bibliographical references and indexes. 
<br/><br/><label>ISBN: </label>311013473X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Light--Physiological effect--Congresses.