Kevin Chiew Yingjiu Li Multistage Off-Line Permutation Packet Routing on a Mesh: An Approach with Elementary Mathematics. 175-180 2009 24 J. Comput. Sci. Technol. 1 http://dx.doi.org/10.1007/s11390-009-9203-x db/journals/jcst/jcst24.html#ChiewL09