Duration: 1983-1994 Keywords: Bupalus piniarius, Diprion pini, Neodiprion sertifer, Pinus sylvestris, Tomicus piniperda, forest taxation, increment, pine defoliators
Other researchers: Kukkola, Mikko, VA (1993-94), Timonen, Mauri, RO (1993-94), Uotila, Esa, HE (1993-94)
Updated 12.06.2012
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