Somasundaram Ravindran Alan Gibbons Mike Paterson Dense edge-disjoint embedding of complete binary trees in interconnection networks. 325-342 2000 249 Theor. Comput. Sci. 2 db/journals/tcs/tcs249.html#RavindranGP00 http://dx.doi.org/10.1016/S0304-3975(00)00066-9