Heide, L. (2009). Punched-card systems and the early information explosion, 1880-1945. Baltimore: Johns Hopkins University Press.
Chicago Style CitationHeide, Lars. Punched-card Systems and the Early Information Explosion, 1880-1945. Baltimore: Johns Hopkins University Press, 2009.
MLA CitationHeide, Lars. Punched-card Systems and the Early Information Explosion, 1880-1945. Baltimore: Johns Hopkins University Press, 2009.
Warning: These citations may not always be 100% accurate.