1. An object-oriented approach to algebra system design
2. Foderaro J. Newspeak Ph.D. Thesis University of California at Berkeley 1983. Foderaro J. Newspeak Ph.D. Thesis University of California at Berkeley 1983.
3. Gruntz D. Gröbner Bases in Gauss Maple Technical Newsletter Issue 9 pp. 36--46 Birkhäuser 1993. Gruntz D. Gröbner Bases in Gauss Maple Technical Newsletter Issue 9 pp. 36--46 Birkhäuser 1993.
4. To appear;Gruntz D.;Maple Technical Newsletter