Orientations of 935 Dolmens of Southern France by Y. Chevalier
From the Journal of History of Astronomy, Archaeoastronomy Supplement, Vol. 30, p.S47
A full referenced Journal Article is available to download in PDF format or you can view the pages online in gif format.
Bloody hell! That's a hell of a find! The "Find Similar Abstracts" link also throws up some interesting stuff. What I need now is more hours in the day, and more days in the week! :)
Cheers, Chance
G x