Astrobiology : origins from the big-bang to civilisation : proceedings of the Iberoamerican School of Astrobiology, Caracas, Venezuela, 28 November - 8 December, 1999
Astrobiology : origins from the big-bang to civilisation : proceedings of the Iberoamerican School of Astrobiology, Caracas, Venezuela, 28 November - 8 December, 1999 / ed. by Julián Chela-Flores, Guillermo A. Lemarchand, and John Oró