Listar por autor "Kurkela, Timo"
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Scots pine diseases. Proceedings of an international symposium
Joint Meeting: 7th European Colloqium of Forest Pathologists and the members of two IUFRO Working Parties (Polonia, Kórnik : 16-20.May.1989); Kurkela, Timo; Siwecki, Ryszard (Finnish Forest Research Institute, 1990)