Bunning, Erwin,  1906-, <br/><br/>
The physiological clock / 
Professor Erwin Bunning. 
 - revised second edition 
 - 167 pages :  illustrations ;  23 cm. 
 - Heidelberg science library  vol.1 .
<br/><br/> Translation of Die Physiologische Uhr. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>0387900020 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Circadian rhythms.