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_aEGGER, K.
260 _c1990
650 1 4 _9145091
_aECOLOGIA VEGETAL
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_aUSO DE LA TIERRA
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_aAGRICULTURA MIGRATORIA
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_aRUANDA
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_aPLANT ECOLOGY
692 _aPHYTOECOLOGIE
773 0 _tIleia Newsletter (PaĆ­ses Bajos)
_d1990
_gv.6(2) p.3-5
040 _aCR-TuBCO
_cCR-TuBCO
_bEs
245 1 0 _aEcofarming: a synthesis of old and new
942 _cANA
003 CR-TuBCO
999 _c50919
_d50919