1. Lebesgue, Henri, “Measure Theory,” in Measure and the Integral, Holden-Day, 1966; in French Gauthier-Villars, Paris, 1928.
2. Saaty, Thomas L., The Analytic Hierarchy Process, McGraw-Hill, 1980.
3. Saaty, Thomas L., Decision Making in Complex Environments, Wadsworth, Inc., 1982.
4. Saaty, Thomas L. and Luis G. Vargas, The Logic of Priorities, Kluwer-Nijhoff Publishing, 1981.
5. Saaty, Thomas L., “A Scaling Method for Priorities in Hierarchical Structures,” Journal of Mathematical Psychology 15, 234–281, 1977.