- Roger of Tor Project wrote a blog post on this topic:
https://blog.torproject.org/one-cell-enough-break-tors-anonymity
- The Traffic Analysis of Continuous-Time Mixes
by George Danezis https://www.freehaven.net/anonbib/cache/danezis:pet2004.pdf
- Approximating a Global Passive Adversary Against Tor
by Chakravarty, Sambuddho; Stavrou, Angelos; Keromytis, Angelos D. https://academiccommons.columbia.edu/doi/10.7916/D82J6QBM
- How Much Anonymity does Network Latency Leak?
by NICHOLAS HOPPER EUGENE Y. VASSERMAN ERIC CHAN-TIN https://www.freehaven.net/anonbib/cache/tissec-latency-leak.pdf
- Analyzing the Effectiveness of Passive Correlation Attacks
on the Tor Anonymity Network by Sam DeFabbia-Kane https://pdfs.semanticscholar.org/17a6/736b5b8d9a2e516adbebb338e3265681b1c9.pdf
- DeepCorr: Strong Flow Correlation Attacks on Tor Using Deep Learning