00611nam a22001577a 450000500170000000800410001704000250005804100080008304400070009110000280009824500960012626001410022230000180036350000310038165000410041220150206085635.0131205b1997    ck ||||| |||| 00| 0 spa d  aCO-BoIAVHcCO-BoIAVH  aspa  ack10aCárdenas, Juan Camilo10aEconomic analysis of biodiversity and local ecosystems :bvaluation and policy implications  aBogotábInstituto de Investigación de Recursos Biológicos Alexander von HumboldtbUniversity of Massachusetts - AmherstbDNPc1997  a52 p.c28 cm.  aInforme de avance proyecto  aBiodiversidadxAspectos económicos