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In the Proceedings of ESORICS 2005, September 2005. ( BibTeX entry ) · Intersection Attacks on Web-Mixes: Bringing the Theory into Praxis ( PDF ) (Cached: PDF ) by Dogan Kesdogan , Lexi Pimenidis , and Tobias Kölsch. In the Proceedings of First Workshop on Quality of Protection, September 2005, pages 159-171. ( BibTeX entry ) · The Pynchon Gate: A Secure Method of Pseudonymous Mail Retrieval ( PDF ) (Cached: PDF ) by Len Sassaman , Bram Cohen, and Nick Mathewson .