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Sjögren, Erik: Changes in the Epilithic and Epiphytic Moss Cover in Two Deciduous Forest Areas on the Island of Öland (Sweden). A Comparison between 1958 - 1962 and 1988 to 1990. 1995. (Studies in Plant Ecology, 19). illus. 108 p. gr8vo. Paper bd. (82332) 32.10
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