Communicationes Instituti Forestalis Fenniae - Selaus tekijän mukaan "Hari, Pertti"
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A growth model for a biological population, applied to a stand of pine.
Hari, Pertti
Metsäntutkimuslaitoksen julkaisuja (Metsäntutkimuslaitos, 1968) -
Possible effect of changes in atmospheric composition and acid rain on tree growth. An analysis based on the results of Finnish National Forest Inventories.
Arovaara, Hannu; Hari, Pertti; Kuusela, Kullervo
Communicationes Instituti Forestalis Fenniae : 122 (Metsäntutkimuslaitos, 1984)