00462aam a2200181   450000500170000000800410001704100140005808200180007210000250009024500570011526000150017226000100018726000090019730000180020665000150022465000140023965000270025320160823095947.0150721b        xxu||||| |||| 00| 0 spa d  aEspañol  a972.86bF386p  aFerrero Acosta, Luis  a¿Porqué prehistoria si hay historia precolombina?  aCosta Rica  bEUNED  c1986  a120 páginas  aCOSTA RICA  aHISTORIA   aHISTORIA PRECOLOMBINA