Reference
A. R. Camardella, Leila Maria Pessôa, John A. A. Oliveira (1998/1999): Sexual dimorphism and age variability in cranial characters of Oryzomys subflavus (Wagner, 1842) (Rodentia: Sigmodontinae) from northeastern Brazil – Bonn zoological Bulletin - früher Bonner Zoologische Beiträge. – 48: 9 - 18.