TY - BOOK AU - MacKenzie, James J. AU - El-Ashry, Mohamed T. CN - SB745 CN - SB745 CY - New Haven : DA - c1989. ID - 139651 KW - Trees KW - Trees KW - Crops KW - Crops KW - Trees KW - Crops KW - Forest declines. KW - Trees KW - Crop losses. KW - Air quality management. N1 - "A World Resources Institute book." PB - Yale University Press, PP - New Haven : PY - c1989. SN - 0300052324 (pbk. : alk. paper) SN - 0300045697 (alk. paper) T1 - Air pollution's toll on forests and crops / TI - Air pollution's toll on forests and crops / ER -