Matt Bishop, Carrie Gates, and Jeffrey Hunker, "The Sisterhood of the Traveling Packets," NSPW '09: Proceedings of the 2009 workshop on New security paradigms workshop, September 2009, Pages 59–70, https://doi.org/10.1145/1719030.1719039
Rawls, John. 1971. A theory of justice. Cambridge, Mass: Belknap Press of Harvard University Press.