1. Algebraic simplification;Buchberger;Comput. Suppl.,1982
2. Rule-based geometric modeling;Bru¨derlin,1987
3. Automated reasoning in geometry theorem proving with Prolog;Coelho;J. Automated Reasoning,1986
4. Quantifier elimination for real closed fields by cylindrical algebraic decomposition;Collins,1975
5. Rewrite systems;Dershowitz,1990