Byrd, Kathleen Mary, Changing animal utilization patterns and their implications Southwest Ecuador, 6500 B.C.-A.D. 1400. / Kathleen Mary Byrd - Ann Arbor : University Microfilms International, 1981 - viii, 155 p. ; 20 cm Bibliografía: p. 149-154 Subjects--Topical Terms: Indígenas de EcuadorArqueología--Ecuador Dewey Class. No.: 980.466 / B996ch