Hjelle, L A <br/><br/>
Internal-external control of reinforcement in smoking behavior.  [electronic resource] 

 -  Psychological reports  Apr 1970 
 - 562 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0033-2941 
<br/><br/><label>Standard No.: </label>10.2466/pr0.1970.26.2.562  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Adult<br/>Extraversion, Psychological<br/>Female<br/>Humans<br/>Introversion, Psychological<br/>Male<br/>Reinforcement, Social<br/>Smoking