Crocker Thomas D <br/><br/>
Environmental economics 

 - Illinois  Dryden Press           1971 
 - v, 150p  cm. 
<br/><br/> Bibliography : P147-50 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics IRT Air Pollution
<br/><br/><label>Dewey Class. No.: </label>X0aD854, L1