000 008180000a22003130004500
904 _aBCO
905 _aC
908 _aJ
909 _aAS
914 _aSILVI
914 _aRIBRE
082 0 4 _a11717
100 1 _976209
_aHARRIS, D.R.
260 _c1971
650 1 4 _9134805
_aAGRICULTURA MIGRATORIA
650 1 4 _9145091
_aECOLOGIA VEGETAL
650 1 4 _9156299
_aNUTRIMENTOS
650 1 4 _930793
_aVENEZUELA
650 1 4 _9167494
_aTROPICO HUMEDO
691 _9158959
_aPLANT ECOLOGY
691 _930793
_aVENEZUELA
692 _aPHYTOECOLOGIE
692 _aVENEZUELA
773 0 _tGeographical Review (EUA)
_d1971
_gv.61(4) p.475-495
040 _aCR-TuBCO
_cCR-TuBCO
_bEs
245 1 0 _aThe ecology of swidden cultivation in the upper Orinoco rain forest, Venezuela
942 _cANA
003 CR-TuBCO
999 _c50130
_d50130