TY  - BOOK
AU  - Mackenzie, James J., ed.
AU  - El-Ashry, Mohamed., ed.
TI  - Air pollution's toll on forests and crops /ed. by James J. Mackenzie and Mohamed T. El-Ashry
T2  - World Resource Institute Book
SN  - 0300045697
U1  - 632.19 
PY  - 1989///
CY  - New Haven
PB  - Yale Univ. Pr.
ER  -