Preceramic hunters and gatherers of the middle Magdalena valley from 7000 to 4000 BP, and hunters and gardeners of the same region during the last few centuries before the Spanish Conquest. In Spanish.

Published by Banco de la República (Bogotá), 1991. 126 pp. ISBN: 1-877812-27-7.

$8.50 (shipping included). Order code BR025.