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Cesareo, O. "THE RELAY INTERPOLATOR". Bell Laboratories Record. XXIV (12). December 1946: 457–460. October 17, 2023 tarixində arxivləşdirilib. İstifadə tarixi: September 8, 2018.
Juley, Joseph. "THE BALLISTIC COMPUTER". Bell Laboratories Record. XXV (1). January 1947: 5–9. October 17, 2023 tarixində arxivləşdirilib. İstifadə tarixi: September 8, 2018.
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Irvine, M. M. "Early digital computers at Bell Telephone Laboratories". IEEE Annals of the History of Computing. 23 (3). July 2001: 22–42. doi:10.1109/85.948904. ISSN1058-6180.