Grosch, H.R.J. (1953). "High Speed Arithmetic: The Digital Computer as a Research Tool". Journal of the Optical Society of America. 43 (4): 306–310. Bibcode:1953JOSA...43..306G. doi:10.1364/JOSA.43.000306.
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Grosch, H.R.J. (1953). "High Speed Arithmetic: The Digital Computer as a Research Tool". Journal of the Optical Society of America. 43 (4): 306–310. Bibcode:1953JOSA...43..306G. doi:10.1364/JOSA.43.000306.