1. E.M.L. Beale (1968) Mathematical Programming in Practice (Pitmans. London).
2. E.M.L. Beale (1980) “Branch and bound methods for numerical optimization of non-convex functions” COMPSTAT 80 Proceedings in Computational Statistics Edited by M.M. Barritt and D. Wishart pp 11–20 (Physica Verlag. Wien).
3. E.M.L. Beale (1983) “A mathematical programming model for the long-term development of an off-shore gas field” Discrete Applied Mathematics 5 pp 1–9.
4. E.M.L. Beale and J.J.H. Forrest (1976) “Global optimization using special ordered sets” Mathematical Programming 10 pp 52–69.
5. E.M.L. Beale and J.A. Tomlin (1970) “Special facilities in a general mathematical programming system for non-convex problems using ordered sets of variables” in Proceedings of the Fifth International Conference on Operational Research Ed. J. Lawrence pp 447–454. (Tavistock Publications. London).