TY  - BOOK
TI  - A biological assessment of the aquatic ecosystems of the Upper Río Orthon basin, Pando, Bolivia / 
T2  - Bulletin of Biological Assessment ; 
SN  - 1881173305
U1  - 574.92 
PY  - 1999///
CY  - Washington, DC : 
PB  - Conservation International, 
KW  - Ecologia de água doce
KW  - Río Orthon Basin (Bolívia)
N1  - Acima do tírulo: "Rapid Assessment Program."
ER  -