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Analyzing the Great Firewall of China Over Space and Time (2015) - Ensafi, Winter, et. al.pdf.gz

How China Is Blocking Tor (2009) - Winter, Lindskog.pdf.gz

How the Great Firewall of China is Blocking Tor (2012) - Winter, Lindskog.pdf.gz

The Great Firewall of China How It Blocks Tor and Why It Is Hard to Pinpoint (2012) - Winter, Crandall.pdf.gz

Timeline of Tor Censorship (2015) - Fifield, Afroz.pdf.gz

Tor's Usability for Censorship Circumvention (2015) - Fifield, Lee, et. al.pdf.gz