A Rapid biological assessment of the aquatic ecosystems of the Pastaza river basin, Ecuador and Perú /
editors, Philip W. Willink, Barry Chernoff and Jennifer McCullough.
- Washington, DC : Conservation International, 2005.
- 168 p. : il. color., mapa color.
- RAP Bulletin of Biological Assessment ; 33 Rapid assessment bulletin of biological assessment ; 33 .