Gene Eu Jan Ming-Bo Lin Concentration, load balancing, partial permutation routing, and superconcentration on cube-connected cycles parallel computers. 1471-1482 2005 65 J. Parallel Distrib. Comput. 12 http://dx.doi.org/10.1016/j.jpdc.2005.04.004 db/journals/jpdc/jpdc65.html#JanL05