00826naa a2200325 a 450000100080000000500110000800800410001910000170006024501020007726000090017930000080018865000130019665000120020965000150022165000120023665000130024865000130026165000110027465000160028565300220030165300140032365300160033765300230035365300110037665300110038765300160039870000200041470000140043477300520044813967982011-02-06       1950    bl ---       0--  u    #d1 aBLACK, G. A.  aSome attempts to estimate species diversity and population density of trees in Amazonian forests.  c1950  cil.  aAmazonia  adensity  apopulation  aÁrvore  aEspécie  aFloresta  aPlanta  aPopulação  aAmazonian forests  aDensidade  aDiversidade  aFloresta Amazonica  aForest  aSpecie  aSpecie Tree1 aDOBZHANSKY, TH.1 aPAVAN, C.  tBotanical Gazettegv.111, n.4, p.413-425, 1950.