TY  - JOUR 
T1  - Chromosome polymorphism of heterochromatin and nucleolar regions in two populations of the fish Astyanax bockmanni (Teleostei: Characiformes)
JO  - Neotropical Ichthyology
A1  - Hashimoto, Diogo Teruo
A1  - Porto-Foresti, Fábio
SN  - 1679-6225
UL  - 10.1590/S1679-62252010000400016
VL  - 8 
Y1  - 2010
PB  - Brasil 
ER  -