Works Cited

1. Pennak, Robert W. 1964. Hyrax. Collegiate Dictionary of Zoology. The Ronald Press Company, New York, New York.
2. The Encyclopedia Americana. 1994. v.4. Grolier Incorporated, Danbury, Connecticut.
3. Collier's Encyclopedia. 1992. v.12.Macmillan Educational Company, New York, New York.
4. Encyclopedia of the Animal World. 1975. Larousse and Co. Inc., New York, New York.
5. Mammals of the World. 3rd Edition. 1975. v 2. John Hopkins University and Press, Baltimore, MD. pp 1325-1330.
6. Bioko Biodiversity Protection Program. http://bioko.org/sound 11.12.02
7. Foster, B. 1991. Warming up to the Hyrax. International Wildlife 21: 48

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