Keypunch, keytape and keydisc
Blum, J., Blum, E.
Keypunch, keytape and keydisc a complete and concise manual for data processing students by J. Blum and E. Blum - New York Gordon and Breach 1975 - 198 p.
Data Processing
Manual
Keypunch
Keytape
Keydisc
007 / B 658 K
Keypunch, keytape and keydisc a complete and concise manual for data processing students by J. Blum and E. Blum - New York Gordon and Breach 1975 - 198 p.
Data Processing
Manual
Keypunch
Keytape
Keydisc
007 / B 658 K