00688naa a2200253 a 450000100080000000500110000800800410001910000190006024500470007926000090012630000100013565000160014565000110016165000130017265000160018565000120020165000200021365000130023365300110024665300210025765300230027870000180030177301150031917654821999-09-15       1983    bl uuuu     u00u1 u    #d1 aMARTINS, A. S.  aArticulacao pesquisa/extensao rural no DF.  c1983  ap.92.  aagriculture  aBrazil  aresearch  aAgricultura  aCerrado  aExtensão Rural  aPesquisa  aBrasil  aDistrito Federal  aExtension activity1 aMAKISHIMA, N.  tIn: CONGRESSO BRASILEIRO DE OLERICULTURA, 23., 1983, Rio de Janeiro, RJ. Resumos... Rio de Janeiro: SOB, 1983.