APA

Agostinho C. S., .Reproductive aspects of piranhas Serrasalmus spilopleura and Serrasalmus marginatus into the upper Paraná River, Brazil. : .

Chicago

Agostinho Carlos Sergio, .Reproductive aspects of piranhas Serrasalmus spilopleura and Serrasalmus marginatus into the upper Paraná River, Brazil. : .

Harvard

Agostinho C. S., .Reproductive aspects of piranhas Serrasalmus spilopleura and Serrasalmus marginatus into the upper Paraná River, Brazil. : .

MLA

Agostinho Carlos Sergio, .: . .