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1by Siemons, R.V. (Universiteit Twente, Enschede (Netherlands)), FAO, Rome (Italy). Regional Office for Europe eng, European Cooperative Networks on Rural Energy. Workshop on Charcoal Production and Pyrolysis Technologies eng 23-25 Oct 1989 1 Roeros (Norway), Thoresen, P. (ed.)
Published 1991Texto bibliotecaFAO IT