I am looking for a copy of Priestle's program "Ribbon". If anyone could tell from where I might be able to download a copy, or to whom I should write for a copy, I would be very grateful. Cheers, Craig Marshall Biochemistry Department bioc07 at otago.ac.nz University of Otago Phone 64 3 479 7871 P.O. Box 56 Fax 64 3 479 7866 Dunedin New Zealand