van Zuylen, Anke Algorithms and Complexity, MPI for Informatics, Max Planck Society;
van Zuylen, A., Schalekamp, F., & Williamson, D. P. (2011). Popular Ranking. In L. Adacher, M. Flamini, G. Leo, G. Nicosia, A. Pacifici, & V. Piccialli (Eds.), 10th Cologne-Twente Workshop on Graphs and Combinatorial Optimization (pp. 267-270). Frascati, Italy: CTW. Retrieved from http://ctw2011.dia.uniroma3.it/ctw_proceedings.pdf#page=279.