Stephenson produced a self-published book, a series of YouTube videos, and several self-published papers. For instance: Stephenson, Stephen Kent (2012), "Ancient Computers", arXiv:1206.4349 [math.HO] Stephenson, Stephen Kent (July 2013), Ancient Computers, Part I - Rediscovery (2 ed.), ISBN978-1490964379
doi.org
Lang, Mabel (1957), "Herodotos and the Abacus", Hesperia: The Journal of the American School of Classical Studies at Athens, 26 (3): 271–288, doi:10.2307/147100, JSTOR147100
jstor.org
Lang, Mabel (1957), "Herodotos and the Abacus", Hesperia: The Journal of the American School of Classical Studies at Athens, 26 (3): 271–288, doi:10.2307/147100, JSTOR147100