MacKenzie, James J.  1939-. <br/><br/>
Ill Winds : Airborne pollution's toll on trees and crops / 
James Mackenzie and Mohamad T. El-Ashry 
 - [S.I] :  World resources Institute ,  1988 
 - vi , 74 p. :  ill. ;  26 cm. 
<br/><br/><label>ISBN: </label>0915825295 
<br/><br/><label>LCCN: </label>88-051128