1. Chu, E. H. Y. &M. A. Bender, 1962. Cytogenetics and evolution of primates.Ann. N. Y. Acad. Sci., 102: 153–266.
2. Corbet, G. B. &J. E. Hill, 1980.A World List of Mammalian Species. British Museum (Natural History), London.
3. Dao, V. T., 1960. Sur une nouvelle espèce deNycticebus au Vuetnam.Zool. Anz., 164: 240–243.
4. De Boer, L. E. M., 1972. Chromosome studies in some primates.Mamm. Chrom. News., 13: 4–6.
5. ————, 1973a. Studies on the cytogenetics of Prosimians.J. Human Evol., 2: 271–278.