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1by Clarke, L.J. (ed.), FAO, Rome (Italy). Agricultural Services Div. eng, Meszaros, G. (ed.), Pecznik, P. (ed.), Rijk, A.G. (ed.), Takacs, I. (ed.), Hungarian Inst. of Agricultural Engineering, Goedoelloe (Hungary) eng, Deutsche Gesellschaft fuer Technische Zusammenarbeit, Eschborn (Germany) oth
Published 1993Texto bibliotecaFAO IT