Air pollution damage to Vegetation (A symposium sponsored by the Division of Agriculture and Food Chemistry at the 161st Meeting of the American Chemical Society, Los Angeles, Calif., March 31st to April 1st, 1971): J.A. Naegele (Editor). Advances in Chemistry Series No. 122, Am. Chem. Soc., Washington, D.C., 1973, 137 pp., Cloth $ 9.95, Paperback $ 5.45