TY  - JOUR 
T1  - Population structure of two Astyanax Baird & Girard, 1854 (Teleostei, Characidae) species from upper Paraguaçu river
JO  - Brazilian Archives of Biology and Technology
A1  - Santos, Alexandre Clistenes de Alcântara
A1  - Novaes, José Luís Costa
SN  - 1516-8913
UL  - 10.1590/S1516-89132008000100013
VL  - 51 
Y1  - 2008
PB  - Brasil 
ER  -