Strughold, Hubertus <br/><br/>
Your body clock. 
Foreword by Charles H. Roadman. 
 - New York  Scribner  1971. 
 - 94 p. 
<br/><br/> Includex index. 
<br/><br/>Bibliography: p. 88-91. 
<br/><br/><label>ISBN: </label>0684125579 
<br/><br/><label>LCCN: </label>70162753  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biological rhythms
<br/><br/><label>LC Class. No.: </label>QH527  / .S83 
<br/><br/><label>Dewey Class. No.: </label>612