00304nam a2200109Ia 450000500170000000800410001702000150005805000150007310000160008824500460010426000440015020251229191228.0251229s9999    xx            000 0 und d  a0198594062  aS 544 .S24  aSavile, A.H 0aExtension in rural communities.cA Savile  aLondonb Oxford univertsity pressc1965