Klinker, L <br/><br/>
[The effect of natural daylight on human regulation].  [electronic resource] 

 -  Zeitschrift fur die gesamte Hygiene und ihre Grenzgebiete  Apr 1989 
 - 196-202 p.  digital 
<br/><br/> Publication Type: English Abstract; Journal Article 
<br/><br/><label>ISSN: </label>0049-8610 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biological Clocks<br/>Circadian Rhythm<br/>Humans<br/>Light<br/>Seasons