Marwell/Oliver <br/><br/>
The Critical Mass in Collective Action 

 -  Cambridge University Press  Cambridge University Press  1993 
<br/><br/><label>ISBN: </label>9780511663765 
<br/><br/><label>Source: </label>EBOOK 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Philosophy