Understanding sleep :  the evaluation and treatment of sleep disorders / 
<edited by> Mark R. Pressman, William C. Orr. 
 - 1st ed. 
 - Washington, DC :  American Psychhological Assiciation ,  1997 
 - 566 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>1557984190  RM200.65 
<br/><br/><label>LCCN: </label>97-001393 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sleep disorders
<br/><br/><label>National Library of Medicine Call No.: </label>WM188