000 007730000a22003250004500
904 _aBCO
905 _aC
908 _aJ
909 _aAS
914 _aSILVI
914 _aRIBRE
082 0 4 _a18907
100 1 _964246
_aEARL, D.
260 _c1975
650 1 4 _9139467
_aCARBON VEGETAL
650 1 4 _9159308
_aPODER CALORIFICO
650 1 4 _9141929
_aCONSUMO
650 1 4 _9153854
_aMANO DE OBRA
691 _9310511
_aCHARCOAL
691 _9141952
_aCONSUMPTION
691 _9326092
_aMANPOWER
692 _aCHARBON DE BOIS
692 _aCONSOMMATION
692 _aMAIN D'OEUVRE
773 0 _tUnasylva (FAO)
_d1975
_gv.4 p.21-26
040 _aCR-TuBCO
_cCR-TuBCO
_bEs
245 1 0 _aUna fuente renovable de combustible
942 _cANA
003 CR-TuBCO
999 _c46394
_d46394