Could some kind soul mail me a copy of MIT's scheme that would run on UNIX SysV (in particular microport's SysV/AT). If you think that it would be too big to mail but are willing to help in some other way (establishing direct phone connection or via floppynet) please contact me. James Borynec utzoo!bnr-vpa!bnr-di!borynec borynec@bnr.bitnet (613) 765 4856 22 Westcliffe Rd Nepean, Ontario K2H 7X4