MATH  R.E. Burkard, R. Rudolf, and G.J. Woeginger. Three-dimensional axial assignment problems with decomposable cost coefficients. Discrete Applied Mathematics , 00:000-000, 0000. MathSciNetMATH  E.K. Burke and G. Kendall, editors. Search methodologies: Introductory tutorials in optimization and decision support techniques . Springer, New York, 0