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 * "What Ad Blockers Are (and Are Not) Doing" https://web.cs.wpi.edu/~cew/papers/hotweb16.pdf
 * "Block Me If You Can: A Large-Scale Study of Tracker-Blocking Tools" https://www.sba-research.org/wp-content/uploads/publications/block_me_if_you_can.pdf
-* "Ad-blocking: A Study on Performance, Privacy and Counter-measures" https://dl.acm.org/doi/abs/10.1145/3091478.3091514
+* "Ad-blocking: A Study on Performance, Privacy and Counter-measures" https://arxiv.org/pdf/1705.03193.pdf
 * "Benchmark and Comparison of Tracker-blockers: Should You Trust Them?" https://tma.ifip.org/wordpress/wp-content/uploads/2017/06/tma2017_paper30.pdf
 * "What a Tangled Web We Weave: Understanding the Interconnectedness of the Third Party Cookie Ecosystem" https://nms.kcl.ac.uk/netsys/datasets/tracking-the-trackers-papers/tanged_web.pdf
 * "Understanding the Performance Costs and Benefits of Privacy-focused Browser Extensions" https://kevin.borgolte.me/files/pdf/www2020-privacy-extensions.pdf
 * "Internet Privacy Implications" https://digital.wpi.edu/downloads/h989r614k
-* "A comparison of web privacy protection techniques" https://www.sciencedirect.com/science/article/abs/pii/S0140366418300604
-* "Benchmark and comparison of tracker-blockers: Should you trust them?" https://ieeexplore.ieee.org/abstract/document/8002898
-* "Block Me If You Can: A Large-Scale Study of Tracker-Blocking Tools" https://ieeexplore.ieee.org/abstract/document/7961988
+* "A comparison of web privacy protection techniques" https://arxiv.org/pdf/1712.06850.pdf
+* "Benchmark and comparison of tracker-blockers: Should you trust them?" https://core.ac.uk/download/pdf/234917747.pdf
+* "Block Me If You Can: A Large-Scale Study of Tracker-Blocking Tools" http://eprints.cs.univie.ac.at/6446/1/block_me_if_you_can.pdf