P. G. Tager, “An automatic counting and recording device”, Avtomat. i Telemekh., 1947, Volume 8, Issue 1,Pages <nobr>45

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Avtomat. i Telemekh., 1947 Volume 8, Issue 1, Pages 45–52 (Mi at4993)

An automatic counting and recording device

P. G. Tager

Institute of automation and remote control of the USSR Academy of Sciences