Radokalkulilo (Esperanto Wikipedia)

Analysis of information sources in references of the Wikipedia article "Radokalkulilo" in Esperanto language version.

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books.google.com

  • Beeson, Michael J. (2004). "The Mechanization of Mathematics". In Teucher, Christof. Alan Turing: Life and Legacy of a Great Thinker. Springer. p. 82. ISBN 3-540-20020-7. [1]

rechenmaschinen-illustrated.com

  • Kidwell, Peggy Aldritch. (1992) The Calculating Machines: Their history and development. USA: Massachusetts Institute of Technology and Tomash Publishers. , pp. 38–42, tradukita kaj eldonita el Martin, Ernst. (1925) Die Rechenmaschinen und ihre Entwicklungsgeschichte. Germanio: Pappenheim.