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1by Hall, J.E., FAO, Rome (Italy). Regional Office for Europe eng, European Cooperative Research Network on Animal Waste Utilization. Consultation eng 25-28 Sep 1990 Bologna (Italy), Hann, M.J., Wheeler, P.N. (Silsoe College (UK)), Hall, J.E., Centro Ricerche Produzioni Animali, Reggio Emilia (Italy) oth
Published 1991Texto bibliotecaFAO IT