S. Ghosh, G. Korlam, und N. Ganguly. Proceedings of the 20th international conference companion on World wide web, Seite 41--42. New York, NY, USA, ACM, (2011)
C. Grier, K. Thomas, V. Paxson, und M. Zhang. Proceedings of the 17th ACM conference on Computer and communications security, Seite 27--37. New York, NY, USA, ACM, (2010)