Fritze 2009 , p. 208, Story 1980 , pp. 29-31 ^ Fritze 2009 , p. 208 ^ Story 1980 , pp. 32 ^ "The Case of the Ancient Astronauts". Horizon . 3 August 1978. Event occurs at 07:20-17:05. BBC .   ^ "The Case of the Ancient Astronauts".