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1by Mattila, P. (Tyoetehoseura ry, Helsinki (Finland)), Ministry of Agriculture and Forestry, Helsinki (Finland) eng, European Cooperative Networks on Rural Energy. Consultation eng 7-9 Jun 1988 3 Helsinki (Finland), Oksanen, E.H. (ed.), Kocsis, K. (ed.), Tyoetehoseura ry, Helsinki (Finland) oth, FAO, Rome (Italy). Regional Office for Europe eng
Published 1988Texto bibliotecaFAO IT