00346naa a2200121 a 450000100080000000500110000800800410001910000190006024500550007926000090013465300220014377300590016520433592016-04-14       1929    bl ---       0--  u    #d1 aLIMA, J. de M.  aO problema da borracha na região Madeira-Mamoré.  c1929  aCrise da borracha  tB. Minist. Agric. Rio de Janeirogn.8, p.236-42, 1929.