Communicationes Instituti Forestalis Fenniae - Selaus tekijän mukaan "Koch, Niels Elers"
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Multiple Use Forestry in the Scandinavian Countries Proceedings of the Scandinavian Symposium held in Rovaniemi and Saariselkä, Finland, September 13.-17., 1982.
Saastamoinen, Olli; Hultman, Sven-G.; Koch, Niels Elers; Mattsson, Leif
Communicationes Instituti Forestalis Fenniae : 120 (Metsäntutkimuslaitos, 1984) -
Multiple use of forests in the Scandinavian countries: an introduction.
Saastamoinen, Olli; Hultman, Sven-G.; Koch, Niels Elers; Mattsson, Leif
Communicationes Instituti Forestalis Fenniae : 120 (1984) -
Multiple-use forestry: Danish statistics.
Koch, Niels Elers
Communicationes Instituti Forestalis Fenniae : 120 (1984) -
Project "Forest and folk": a summary.
Koch, Niels Elers
Communicationes Instituti Forestalis Fenniae : 120 (1984)