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1by Vetter, H., Lantbruksstyrelsen, Joenkoeping (Sweden) oth, European Cooperative Network on Animal Waste Utilization. Consultation eng 13-16 May 1986 5 Burgos (Spain), Steffens, G. (Landwirtschaftliche Untersuchungs und Forschungsanstalt, Oldenburg (Germany, F.R.))
Published 1986Texto bibliotecaFAO IT -
2by Lorenz, F., FAO, Rome (Italy). Regional Office for Europe eng, European Cooperative Research Network on Animal Waste Management. Technical Consultation eng 17-20 May 1994 7 Bad Zwischenahn (Germany), Steffens, G. (Landwirtschaftliche Untersuchungs- und Forschungsanstalt, Oldenburg (Germany)), Hall, J.E. (ed.)
Published 1994Texto bibliotecaFAO IT