Levenstein, Aaron <br/><br/>
Why people work  changing incentives in a troubled world. 

 - New York  Crowell-Collier Press  1962 
 - 320 p. 
<br/><br/> Photostat reproduction. 
<br/><br/>Bibliography: p. 298-313. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social psychology<br/>U.S.--Social conditions<br/>Work--Psychological aspects.