Virtanen, R. (1996). Arctic and oroarctic vegetation patterns in Northern Europe as a consequence of topography, climate, bedrock conditions and grazing. University of Oulu.
Citace podle Chicago (17th ed.)Virtanen, Risto. Arctic and Oroarctic Vegetation Patterns in Northern Europe as a Consequence of Topography, Climate, Bedrock Conditions and Grazing. Oulu, Finland: University of Oulu, 1996.
Citace podle MLA (8th ed.)Virtanen, Risto. Arctic and Oroarctic Vegetation Patterns in Northern Europe as a Consequence of Topography, Climate, Bedrock Conditions and Grazing. University of Oulu, 1996.
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