Budde, Julio Eduardo
([Youngstown, Ohio] : Youngstown State University, 1991., 1991)
Morphology and ontogeny of two species of freyanids ("Freyana largifolia" Megnin et Trouessart, 1884, and "Freyana reticulata" n. sp.) inhabiting "Pteronetta hartlaubi" Cassin, 1859, (Aves: Anatidae) were investigated and ...