Robert D. Atlas
IBM Mainframe MUMPS: Is the World Ready?
Proceedings of the Eleventh Annual Meeting of the MUMPS Users' Group - Europe, Barcelona 1986, Volume 1986
Aviel Klausner and Robert D. Atlas
Describing your Existing MUMPS Database in Relational DBMS Terms Using M/PACT
Proceedings of the Twelfth Annual Meeting of the MUMPS Users' Group - Europe, Vienna 1987, Volume 1987