1. Extraterrestrial cause for the Cretaceous-Tertiary extinction;Alvarez;Science,1980
2. The Evolution of Complex and Higher Organisms;Berger;NASA SP-478,1985
3. The Cosmic Serpent;Clube,1982
4. Comet capture from molecular clouds: A dynamical constraint on star and planet formation;Clube;Mon. Not. R. Astron. Soc.,1984
5. The microstructure of terrestrial catastrophism;Clube;Mon. Not. R. Astron. Soc.,1984