TY  - JOUR 
T1  - Computer simulation of sympatric speciation with Penna ageing model
JO  - Brazilian Journal of Physics
A1  - Luz-Burgoa, K.
A1  - Oliveira, S. Moss de
A1  - Martins, J.S. Sá
A1  - Stauffer, D.
A1  - Sousa, A.O.
SN  - 0103-9733
UL  - 10.1590/S0103-97332003000300027
VL  - 33 
Y1  - 2003
PB  - Brasil 
ER  -