Merger, Lawrence
Punched card systems (manual) / Merger, Lawrence - 2nd ed. - London, Macdonald and Evans for the Office Appliance and Business Equipment Trades Association, 1964. - 51 p. : illus. ; 20 cm. - The manual of modern business equipment, pt. 4 .
Library science
025.078 / MEP
Punched card systems (manual) / Merger, Lawrence - 2nd ed. - London, Macdonald and Evans for the Office Appliance and Business Equipment Trades Association, 1964. - 51 p. : illus. ; 20 cm. - The manual of modern business equipment, pt. 4 .
Library science
025.078 / MEP