Evans, Clifford <br/><br/>
Archeological investigations on the Rio Napo, eastern Ecuador 

 - Washington, D.C :  Smithsonian institution,  1968 
 - 127 p: :  ill., ill. h. t., cartes, graph., tab. 
 - Smithsonian contributions to anthropology, 6 .
<br/><br/> <Donation Brignardello> 
<br/><br/>bibliogr.