1. Sorting networks and their applications;Batcher,1968
2. Introduction to Parallel Algorithms and Architectures: Arrays, Trees, Hypercubes;Leighton,1992
3. Morton, G. 1966, A Computer Oriented Geodetic Data Base and a New Technique in File Sequencing, IBM Ltd. Internal Report.
4. Hot-potato algorithms for permutation routing;Newman;IEEE Trans. Parallel Distribut. Comput.,1995
5. Safe and efficient traffic laws for mobile robots;Preminger,1996