McGill, Donald A.C.
Punched cards: data processing for profit improvement by Donald A.C. McGill - New York McGraw -Hill 1962 - 232p.
Punched card systems
T5371 M175
Punched cards: data processing for profit improvement by Donald A.C. McGill - New York McGraw -Hill 1962 - 232p.
Punched card systems
T5371 M175