TY  - JOUR 
T1  - Omnivory and resource - sharing in nutrient - deficient Rio Negro waters: stabilization of biodiversity?
JO  - Acta Amazonica
A1  - Walker, Ilse
SN  - 0044-5967
UL  - 10.1590/S0044-59672009000300017
VL  - 39 
Y1  - 2009
PB  - Brasil 
ER  -