Commons without tragedy :   protecting the environment from overpop ulation, a new approach /  
Edited by Robert V. Anderlson. 
 - London :   Sheppard-Walwyn,   1991 
 - ix, 198 p. ;    22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental policy.--------
<br/><br/><label>Dewey Class. No.: </label>MISR 333.7 COM