00298naa a2200121 a 450000100080000000500110000800800410001910000160006024500310007626000090010765300180011677300420013420442952016-05-02       1944    bl ---       0--  u    #d1 aMARTINS, G.  aCompetitive rubber plants.  c1944  aRubber plants  tNaturegv.153, n.3877, p.212-5, 1944.