Karlman, M. (1984). Pathogens and other threats to Pinus contorta in Northern Sweden. Dept. of Ecological Botany, University of Umeå.
Citace podle Chicago (17th ed.)Karlman, Margareta. Pathogens and Other Threats to Pinus Contorta in Northern Sweden. Umeå: Dept. of Ecological Botany, University of Umeå, 1984.
Citace podle MLA (8th ed.)Karlman, Margareta. Pathogens and Other Threats to Pinus Contorta in Northern Sweden. Dept. of Ecological Botany, University of Umeå, 1984.
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