19828 Christian Bohr: Komplexitätstheorie und Polynomideale II. Internet 1998, 7p. 18742 Olga Caprotti/Alois Ferscha/Hoon Hong: Reachability test in Petri nets by Gröbner bases. RISC Linz 1995, 16p. 18779 Angie Chandler/Anne Heyworth: Gröbner basis procedures for testing Petri nets. Internet 2007, 13p. 18834 Angie Chandler/Anne Heyworth/Lynne Blair/Derek Seward: Testing Petri nets for mobile robots using Gröbner bases. Internet 2000, 13p. Massimiliano Dessi': Reti di Petri e basi di Gröbner. Tesi Univ. Pisa 2007. 18865 Roxana Dietze/Manfred Kudlek/Olaf Kummer: On decidability problems of a basic class of object nets. Internet 2006, 9p. 18879 Johan Gunnarsson: Symbolic methods and tools for discrete event dynamic systems. Thesis Linköping Univ. 1997, 264p. 19829 Anne Heyworth: Applications of rewriting systems and Gröbner bases to computing Kan extensions and identities among relations. PhD thesis Univ. Wales Bangor 1998, 84p. 18788 Ulla Koppenhagen/Ernst Mayr: An optimal algorithm for constructing the reduced Gröbner basis of binomial ideals, and applications to commutative semigroups. J. Symb. Comp. 31 (2001), 259-276. 18785 Ernst Mayr: On polynomial ideals, their complexity, and applications. TU München TUM-I9520 (1995), 16p. 18876 Christoph Schneider/Joachim Wehler: Commutative algebra applied to net theory. Internet 1998, 7p. 18882 Christoph Schneider/Joachim Wehler: Potential reachibility in commutative nets. Internet 1999, 7p.