Mackenzie, James J. <br/><br/>
Ill winds : airborne pollution's toll on trees and crops /  
James J. Mackenzie, Mohamed T. El-Ashry. 
 - vi , 74p. ;  24 cm. 
<br/><br/><label>ISBN: </label>0915825295 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Air pollution.<br/>Forests.<br/>Trees.<br/>Crops.<br/>Damages.<br/>Pollutants.<br/>Pollution control.<br/>Environmental policy.<br/>USA.
<br/><br/><label>Dewey Class. No.: </label>632.19  / M157