TY  - JOUR 
T1  - Population structure analysis of Pimelodus maculatus (Pisces, Siluriformes) from the Tietê and Paranapanema Rivers (Brazil)
JO  - Genetics and Molecular Biology
A1  - Almeida, Fernanda Simões de
A1  - Sodré, Leda Maria Koelblinger
A1  - Contel, Eucleia Primo Betioli
SN  - 1415-4757
UL  - 10.1590/S1415-47572003000300014
VL  - 26 
Y1  - 2003
PB  - Brasil 
ER  -