TY  - JOUR 
T1  - Two new species of Apistogramma Regan (Teleostei: Cichlidae) from the rio Trombetas, Pará State, Brazil
JO  - Neotropical Ichthyology
A1  - Kullander, Sven O
A1  - Ferreira, Efrem J. G.
SN  - 1679-6225
UL  - 10.1590/S1679-62252005000300003
VL  - 3 
Y1  - 2005
PB  - Brasil 
ER  -