What does your lisp machine mailing list offer? I found a notice about it in a news article. We are working with two symbolics 3640 and kee in a multi-national research project on graphics and knowledge based dialog for operatores of dynamic systems. Regards, Bernd-Burkhard Borys University of Kassel Laboratory for Man-Machine systems POB 10 13 80 D-3500 Kassel, FRGermany.