F. Chierichetti, R. Kumar, und A. Tomkins. WWW '10: Proceedings of the 19th international conference on World wide web, Seite 231--240. New York, NY, USA, ACM, (2010)
F. Chierichetti, R. Kumar, und A. Tomkins. WWW '10: Proceedings of the 19th international conference on World wide web, Seite 231--240. New York, NY, USA, ACM, (2010)