Bucher, J. B., & Bucher-Wallin, I. (Eds.). (1989). Air pollution and forest decline. Volume I. Proceedings of the 14th international meeting for specialists in air pollution effects on forest ecosystems, International Union of Forest Research Organizations, project group P2.05, held at Interlaken, Switzerland, 2-8 October, 1988. 14th international meeting for specialists in air pollution effects on forest ecosystems. Interlaken, Switzerland: Eidgenössische Anstalt für das forstliche Versuchswesen (EAFV).