1. OrNetRadar. https://nusenu.github.io/OrNetRadar. Cited May 15, 2020.
2. Specification of Tor protocol: Official website. https://gitweb.torproject.org/torspec.git. Cited May 15, 2020.
3. Chakravarty, S., Traffic analysis attacks and defenses in low latency anonymous communications, PhD Thesis, New York: Columbia University, 2014.
4. Dingledine, R., Mathewson, N., and Syverson, P., Tor: The second-generation onion router, Onion Router. http://www.onion-router.net/Publications/tor-desingn.pdf. Cited May 15, 2020.
5. Collection of characteristics of nodes of Tor network. http://collector.torproject.org. Cited May, 2020.