About the History of Mechanical Calculating, by Bernhard Korte

Speech by Bernhard Korte at the 57th General Meeting of the Society of Friends and Sponsors of the University of Bonn (GEFFRUB) on 14 June 1980.

Bonner Akademische Reden Vol. 54, Bouvier Bonn 1981.

ISBN 3-416-09057

ISSN 0344-1857

Only available in German.