1. T. Achterberg, Constraint integer programming, Ph.D. Thesis, Technische Universität Berlin, Berlin, 2007.
2. S.D. Allen, Algorithms and data structures for three-dimensional packing, Ph.D. Thesis, The University of Nottingham, Nottingham, 2011.
3. A hybrid placement strategy for the three-dimensional strip packing problem;Allen;European J. Oper. Res.,2011
4. An analytical model for the container loading problem;Chen;European J. Oper. Res.,1995
5. Hardness of approximation for orthogonal rectangle packing and covering problems;Chlebík;J. Discrete Algorithms,2009