00421nam a2200157 a 450000100080000000500110000800800410001902000180006010000140007824500610009226000390015330000100019265000160020265000240021870000210024210189972020-11-17       1986    bl uuuu     u00u1 u    #d  a92-9039-112-X1 aANAYA, H.  aAprovechamiento forestalbanálisis de apeo y transporte  aSan José (Costa Rica): IICAc1986  a246 p  aFORESTACION  aPRODUCCION FORESTAL1 aCHRISTIANSEN, P.