00397nam a2200145 a 450000100080000000500110000800800410001910000280006024500590008826000320014730000100017965300120018965300280020165300220022910125142000-06-07       1999    bl uuuu     u0uu1 u    #d1 aEMBRAPA (Brasilia, DF).  aBalanco socialbpesquisa agropecuaria brasileira 1998.  aBrasilia: Embrapa-ACSc1999  a150p.  aEMBRAPA  aINSTITUICAO DE PESQUISA  aPESQUISA AGRICOLA