Utschick H., Brandl R., 1989: Roosting activities of the Rainbow Lory (Trichoglossus haematodus) at Wau, Papua New Guinea. 8 pp. Spixiana 11(3): 303-310.
 
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Uyeno T., Matsui N., 1993: Late Cretaceous fish fossils from Nemuro, Hokkaido, Japan. 8 pp. (in Japanese). Memoirs of the National Science Museum 26: 39-46.