Satoshi Ikeda Izumi Kubo Masafumi Yamashita The hitting and cover times of random walks on finite graphs using local degree information. 94-100 2009 410 Theor. Comput. Sci. 1 http://dx.doi.org/10.1016/j.tcs.2008.10.020 db/journals/tcs/tcs410.html#IkedaKY09