WangW.ShmatikovWangW., Ming-HsiuM.H.VitalyMing-HsiuM.H., Timing analysis in low-latency mix networks: attacks and defenses, „Proceedings of the 11th European conference on Research in Computer Security”, 2006 (ESORICS'06), s. 18–33, DOI: 10.1007/11863908_2 [dostęp 2012-10-24].???
US patent 6266704, Reed; Michael G. (Bethesda, MD), Syverson; Paul F. (Silver Spring, MD), Goldschlag; David M. (Silver Spring, MD), „Onion routing network for securely moving data through communication networks”, assigned to The United States of America as represented by the Secretary of the Navy (Washington, DC).
