O'Brien, Jeffrey M. <br/><br/>
Cracking the sleep code / 
by Jeffrey M. O'Brien. 
 - Hong Kong:  Time Asia Limited,  c2015. 
 - pages 56-63.  26.8cm. 
 - Monthly. 
 - Volume 172, Number 1  (July 1, 2015) 
 - Fortune. .
 - Fortune,  Volume 172, Number 1  0738-5587 .
<br/><br/><label>ISSN: </label>0738-5587 
<br/><br/><label>Dewey Class. No.: </label>BPer.650.0519  / F77