Chigusa Kita David L. Ferro Dag Spicer Kelly Rodoski Hiroyuki Seki Fred R. Shapiro Thomas J. Bergin 76-81 2007 29 IEEE Annals of the History of Computing 4 http://doi.ieeecomputersociety.org/10.1109/MAHC.2007.57 db/journals/annals/annals29.html#KitaFSRSSB07