Sleep 1980  Circadian rhythms, dreams, noise and sleep, neurophysiology, therapy / 
Editor : W. P. Koella. 
 - Basel :  S. Karger,  1981. 
 - 461 p. :  ill. ;  25 cm. 
<br/><br/> Fifth European Congress on sleep research. 
<br/><br/><label>ISBN: </label>380552045X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sleep disorders--Congresses.<br/>Sleep--Congresses.