John D.C. Little and Theodore E. Hlavac, Jr. In Proceedings of the 4th International Conference on Operational Research, edited by David B. Hertz and J. Melese. New York, NY: 1969.
Miller, Stephen B. and John D.C. Little. Highway Research Record Vol. 170, (1967): 56-59.
Little, John D.C. Operations Research Vol. 14, No. 6 (1966): 1075-1097.
Little, John D.C. and Leonard M. Lodish. Industrial Management Review Vol. 8, No. 1 (1966): 15-24.
Little, John D.C. Operations Research Vol. 14, No. 4 (1966): 568-594.
Little, John D.C., B. Martin and J. Morgan. Highway Research Record Vol. 118, (1966): 21-47.