@book{ Solr-417573, title = {The calculating machines = (Die Rechenmaschinen) : their history and development / Ernst Martin ; translated and edited by Peggy Aldrich Kidwell and Michael R. Williams.}, series = {Charles Babbage Institute reprint series for the history of computing ;}, author = {Martin, Ernst}, editor = {Kidwell, Peggy Aldrich}, editor = {Williams, M. R. (Michael Roy), 1942-}, address = {Cambridge, Mass. ; London}, publisher = {MIT Press}, year = {1992}, }