International Conference on Lichen Conservation Biology, Licons. 30.8.-3.9.1999, Birmensdorf. Abstracts

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Swiss Federal Institute for Forest, Snow and Landscape Research (Ed.). (1999). International Conference on Lichen Conservation Biology, Licons. 30.8.-3.9.1999, Birmensdorf. Abstracts. Swiss Federal Institute for Forest, Snow and Landscape Research.