Title: Fase Cosanga /
Authors: Porras G., Pedro I.
Publisher: Centro de Publicaciones de la Pontificia Universidad Católica del Ecuador,
Year: 1975
Subjects: Indians of South America Ecuador Quijos Valley Antiquities.; Indians of South America Ecuador Quijos River Valley Antiquities.; Quijos River Valley (Ecuador) Antiquities.; Ecuador Antiquities.; Quijos River Valley (Ecuador) Antiquities.