Was it Clauset, Shalizi, and Newman 2009? That’s the one I know, but I believe there’s many more, especially from Clauset. https://www.stat.cmu.edu/tr/tr853/tr

Was it Clauset, Shalizi, and Newman 2009? That’s the one I know, but I believe there’s many more, especially from Clauset. https://www.stat.cmu.edu/tr/tr853/tr853.pdf https://www.stat.cmu.edu/tr/tr853/tr853.pdf