Aasman, J <br/><br/>
Operator effort and the measurement of heart-rate variability.  [electronic resource] 

 -  Human factors  Apr 1987 
 - 161-70 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0018-7208 
<br/><br/><label>Standard No.: </label>10.1177/001872088702900204  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Adult<br/>Female<br/>Heart Rate<br/>Humans<br/>Male<br/>Memory, Short-Term--physiology<br/>Reaction Time--physiology