Sleep Mechanisms and Functions :  In Humans and Animals - An Evolutionary Perspective / 

 - Berkshire, England :  Van Nostrand Reinhold,  c1983. 
 - ix, 363 p. 
<br/><br/><label>ISBN: </label>0442305400 
<br/><br/><label>Dewey Class. No.: </label>150.72  / MAY