1. H.M. Ali, A.S.J. Batchelor, E.M.L. Beale and J.F. Beasley, Mathematical models to help manage the oil resources of Kuwait, from: Continental Shelf Development Petroleum Industry Courses, Trondheim, NTH(1981).
2. E.M.L. Beale A rate-setting model for an offshore oilfield, from: Continental Shelf Development Petroleum Industry Courses, Trondheim, NTH(1981).
3. E.M.L. Beale, A mathematical programming model for the long-term development of an off-shore gas field, Discr. Appl. Math. 5(1983)1–9.
4. E.M.L. Beale and J.A. Tomlin, Special facilities in a general mathematical programming system for non-convex problems using ordered sets of variables, in:Proc. 5th Int. Conf. on Operations Research, ed. J. Lawrence (Tavistock Publ., London, 1970) pp. 447–454.
5. A.L. Brearley, G. Mitra and H.P. Williams, Analysis of mathematical programming problems prior to applying the simplex algorithm, Math. Progr. 8(1975)54–83.