Early formative period of coastal Ecuador
Subtitle: the Valdivia and Machalilla phases
By: by Betty J. Meggers, Clifford Evans, and Emillo Estrada.
Contributors: Evans, Clifford, 1920-; Estrada, Emilio, 1916-1961.
Series: Smithsonian contributions to anthropology -- V.1
Publisher: Smithsonian Institution
Published: 1965
Place of publication: Washington
Language: eng