Analysis of information sources in references of the Wikipedia article "زميل آي بي إم" in Arabic language version.
Refinement of the concepts and engineering design of the eventual production 650 system were carried out in the early-1950s, principally at IBM's laboratory in Endicott, N.Y., under the direction of Frank E. Hamilton, Ernest S. Hughes, Jr., and James J. Troy, who were the chief inventors.
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: صيانة الاستشهاد: BOT: original URL status unknown (link)Refinement of the concepts and engineering design of the eventual production 650 system were carried out in the early-1950s, principally at IBM's laboratory in Endicott, N.Y., under the direction of Frank E. Hamilton, Ernest S. Hughes, Jr., and James J. Troy, who were the chief inventors.
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: صيانة الاستشهاد: BOT: original URL status unknown (link)