I think you may be referring to Clube and Napier? Just in case...
Comets And Disaster In The Bronze Age
British Archaeology | December 1997 | Benny Peiser
Posted on 04/30/2007 4:38:09 PM PDT by blam
Cohttp://www.freerepublic.com/focus/f-news/1826213/posts
That’s it; Clube. Interesting stuff. Velikovsky may not have been entirely wrong; he might have been mostly right except it wasn’t about planet Nemesis, but good old-fashioned comets.