Joan Feigenbaum David R. Karger Vahab S. Mirrokni Rahul Sami Subjective-cost policy routing. 175-189 2007 378 Theor. Comput. Sci. 2 http://dx.doi.org/10.1016/j.tcs.2007.02.020 db/journals/tcs/tcs378.html#FeigenbaumKMS07