Air pollution's toll on forests and crops /
edited by James J. Mackenzie and Mohamed T. El-Ashry
- ix, 376 pages : illustrations ; 23 cm
Includes index
Primary
9780300052329
Trees--Effect of air pollution--United States Trees--Effect of air pollution--Europe Crops--Effect of air pollution --United States Crops--Effect of air pollution--Europe Trees--Wounds and injuries Crops--Wounds and injuries