Punched cards their applications to science and industry

Manylion Llyfryddiaeth
Prif Awdur:	Casey, Robert S. ed
Awduron Eraill:	Perry, James Whitney 1907- joint ed
Fformat:	Llyfr
Iaith:	English
Cyhoeddwyd:	New York Book Division Reihold, 1951.
Pynciau:	Punched card systems.