Wallace,Bruce <br/><br/>
People,Their needs,Environment,Ecology : Volume 1 

 - New  Jersey:  Prentice Hall Inc,  1972. 
 - 265 p.;  ill.  23 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Life sciences; biology
<br/><br/><label>Dewey Class. No.: </label>574.5  / WAL