Olson, Mancur. <br/><br/>
The Logic of Collective Action: Public Goods and the Theory of Groups. 

 - Cambridge:  Harvard University Press,  1971. 
 - x, 186 p.  22 cm. 
 - Harvard economic studies,  v. 124 .
<br/><br/><label>ISBN: </label>0674537513 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social groups.<br/>Social interaction.
<br/><br/><label>LC Class. No.: </label>HM 131  / .O55 1971