Donner, J. The zoning of the Post-Glacial pollen diagrams in Finland and the main changes in the forest composition. Helsinki: Helsingforst, 1963 45 p. : ill. 12 ill.
Donner, J. The zoning of the Post-Glacial pollen diagrams in Finland and the main changes in the forest composition. Helsinki: Helsingforst, 1963 45 p. : ill. 12 ill.
Donner, J. (1963) The zoning of the Post-Glacial pollen diagrams in Finland and the main changes in the forest composition, Helsinki: Helsingforst 45 p. : ill. 12 ill.
Donner, J. (1963). The zoning of the Post-Glacial pollen diagrams in Finland and the main changes in the forest composition. Helsinki: Helsingforst, 45 p. : ill. 12 ill.
Donner J. The zoning of the Post-Glacial pollen diagrams in Finland and the main changes in the forest composition. Helsinki: Helsingforst; 1963. p. 45 p. : ill. 12 ill.
