Los sionas y secoyas
Subtitle: su adaptación al ambiente amazónico
By: William T. Vickers.
Series: Colección 500 años ;; no. 9
Publisher: Ediciones ABYA-YALA; MLAL
Published: 1989
Place of publication: Quito, Ecuador; Roma Italia
Language: spa
Number of pages: 374
Subjects: Secoya Indians.; Sioni Indians.
Notes: Includes bibliographical references (p. 353-372).