Biological rhythms, sleep and shift work :  (proceedings of a Conference on Variations in Work-Sleep Schedules : Effects on Health and Performance, held in San Diego, California, September 19-23, 1979) / 
edited by Laverne C. Johnson ... [et al.] 
 - Lancaster :  MTP Press Ltd.,  1981 
 - 618 p. :  ill. ;  26 cm. 
 - Advances in sleep research  v.7 .
<br/><br/> Cosponsored by the National Institute for Occupational Safety and Health (NIOSH) and The Office of Naval Research (ONR) 
<br/><br/><label>ISBN: </label>0852005814 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biological rhythms--Congresses<br/>Sleep--Congresses<br/>Shift systems--Congresses<br/>Biological clocks--Congresses<br/>Circadian rhythm--Congresses<br/>Sleep--Phsiology--Congresses