Watt,Kenneth E.F <br/><br/>
Ecology and Resource Management 

 - New York:  Mcgraw-Hill,  1968. 
 - 450p.;  21cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social Sciences
<br/><br/><label>Dewey Class. No.: </label>304.2  / WAT