1. Richard E. Leakey, The Making of Mankind, London: Michael Joseph Limited, 1981, p. 43.
2. William R. Fix, The Bone Peddlers, New York: Macmillan Publishing Company, 1984, pp. 150-153.
3. Marvin Lubenow, Bones of Contention, Grand Rapids, MI: Baker, 1992, p. 136.
4 Ibid., p. 83.
5 Richard Allan and Tracey Greenwood, “Primates and Human Evolution” in the textbook Year 13 Biology, 1999,
Student Resource and Activity Manual, (Biozone International, printed in New Zealand), p. 260. |