Krishnendu Roy Ramachandran Vaidyanathan Jerry L. Trahan Routing Multiple Width Communications on the Circuit Switched Tree. 271-286 2006 17 Int. J. Found. Comput. Sci. 2 http://dx.doi.org/10.1142/S0129054106003826 db/journals/ijfcs/ijfcs17.html#RoyVT06