1. Simpson, G.G. Proc. Am. Phil. Soc. 128, 1 (1984).
2. Heuvelmans, B. Cryptozoology 2, 1 (1983).
3. Corbel, G.B. & Hill, J.E. A World List of Mammalian Species (British Mus. Nat. Hist., London, 1980).
4. Honacki, J.H., Kinman, K.E. & Koeppl, J.W. Mammal Species of the World (Allen, Lawrence, 1982).
5. Nowak, R.M. & Paradiso, L.J. Walker's Mammals of the World, 4th ed. (Johns Hopkins, Baltimore, 1983).