Trevor Williams Jack Tan Chungti Liang Efficient implementation strategies for the DRB approach in fault-tolerant hypercubes. 638-641 1997 conf/compsac/1997 COMPSAC http://doi.ieeecomputersociety.org/10.1109/CMPSAC.1997.625085 db/conf/compsac/compsac1997.html#WilliamsTL97