Klaus Madlener/Birgit Reinert: Computing Gro''bner bases in monoid
and group rings. Proc. ISSAC '93 (1993), 254-263.

11838 Klaus Madlener/Birgit Reinert: On Gro''bner bases in monoid and
group rings. Internet ca. 1994, 54p.

11837 Klaus Madlener/Birgit Reinert: String rewriting and Gro''bner bases -
a general approach to monoid and group rings. Internet 1995, 49p.

11835 Klaus Madlener/Birgit Reinert: Relating rewriting techniques on
monoid and rings - congruences on monoids and ideals in monoid rings.
Internet ca. 1997, 30p.

Birgit Reinert: On Gro''bner bases in monoid and group rings.
Dissertation Univ. Kaiserslautern 1995.

11836 Birgit Reinert/Klaus Madlener/Teo Mora: A note on Nielsen reduction
and coset enumeration. Internet 1998, 18p.