Movements and social behavior of killer whales (Orcinus orca) off the Brazilian coast oleh Aline Athayde, Aline Athayde, Mauricio Cantor, Júlio Cardoso, Arlaine Francisco, Frank Pereira dos Santos, Heitor Crespo, Heitor Crespo, Marcel Vinicius de Morais, Manuel da Cruz Albaladejo, Hugo Gallo Neto, Salvatore Siciliano