Hello List, I need a copy of the following article which I can't find: Bauck, L. L., and Cooper, D. H. ~1980!. ‘‘On acoustical specification of natural stereo imaging,’’ Preprint 1649 ~H-7!, 66th Convention Audio Engineering Society, Los Angeles, CA My sincere thanks, Fred ===================================================== Fred Herzfeld, MIT '54 78 Glynn Marsh Drive #59 Brunswick, Ga.31525 USA