Journal / ISBN: Air Pollution and Forest Decline: 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. Vol. 1. Eidgenössische Anstalt für das forstliche Versuchswesen (EAFV), 1989.