Apologies for duplication. Because of a hardware failure yesterday (hard disk crash) these mail lists were out of service. You should have no problems with submissions now. Thanks for your patience, Carl Department of Computer Science Cornell University Ithaca, NY 14853 USA Voice: +1-607-255-6046 FAX: +1-607-255-4428 Email: lagoze@cs.cornell.edu WWW: http://www.cs.cornell.edu/lagoze/lagoze.htm