Ostrom, Elinor <br/><br/>
Governing the commons: the evolution of institutions for collective action / 
Elinor Ostrom 
 - Cambridge  Cambridge University Press  1990 
 - xviii, 280 P 
<br/><br/><label>ISBN: </label>9780521405997 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>commons