Inter-regional ties in Costa Rican prehistory : papers presented at a symposium at Carnegie Museum of Natural History, Pittsburgh, April 27, 1983 / edited by Esther Skirboll and Winifred Creamer. (BAR international series)
Inter-regional ties in Costa Rican prehistory : papers presented at a symposium at Carnegie Museum of Natural History, Pittsburgh, April 27, 1983 / edited by Esther Skirboll and Winifred Creamer.