Adrian Gilbert, Robert Bauval, The Orion Mystery (New York: The Crown Pulishers, 1994). p. 73–80.
31
Zecharia Sitchin, The Wars of Gods and Men (Avon, 1985). p. 174.
32
David Hatcher Childress. Technology of the Gods: The Incredible Sciences of the Ancients (Kempton. Illinois: Adventures Unlimited Press, 2000), p. 211–257.