1. Global optimization using special ordered sets;Beale;Math. Programming,1976
2. E.M.L. Beale and J.A. Tomlin, Special facilities in a general mathematical programming system for nonconvex problems using ordered sets of variables, in: J. Lawrence, ed., Proceedings of the Fifth International Conference on Operational Research (Tavistock Publications, London, (1970) 447–454
3. Experiments in mixed integer linear programming;Benichou;Math. Programming,1971
4. The efficient solution of large-scale linear programming problems— some algorithmic techniques and computational results;Benichou;Math. Programming,1977
5. Analysis of mathematical programming problems prior to applying the simplex method;Brearley;Math. Programming,1975