00310nam a2200121 a 450000100080000000500110000800800410001910000200006024500470008026000330012730000090016065300190016911142812000-11-14       1981    bl uuuu     u0uu1 u    #d1 aBRANDAO, A.S.P.  aUma avaliacao economica do plantio direto.  aRio de Janeiro: [s.n.]c1981  a91p.  aPLANTIO DIRETO