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F.C. Gair Unifying design principle for the resistance network analogue British Journal of Applied Physics April 1959

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J.J. Vidal Application des effets elementaires a la solution analogique-digitale d'un probleme stationnaire a condition aux limites non-lineaires Proceedings of the International Association for Analog Computation Vol V-N#1 pp 27-28 January 1963

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J.P. Korthals Altes Use of electronic analogue computer with resistance network analogues British Journal of Applied Physics Vol 10 pp 176-180 April 1959