Härmä, M <br/><br/>
The effect of four-day round trip flights over 10 time zones on the sleep-wakefulness patterns of airline flight attendants.  [electronic resource] 

 -  Ergonomics  Sep 1994 
 - 1461-78 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>0014-0139 
<br/><br/><label>Standard No.: </label>10.1080/00140139408964926  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Aerospace Medicine<br/>Humans<br/>Male<br/>Middle Aged<br/>Sleep--physiology<br/>Time Factors<br/>Work Schedule Tolerance--physiology