Open AccessFederal Information Processing Standards Publication: computer output microform (COM) formats and reduction ratios, 16 mm and 105 mm
Publication year - 1991
Language(s) - English
Resource type - Reports
DOI - 10.6028/nist.fips.54-1-jan15/1991
Subject(s) - microform , reduction (mathematics) , computer science , library science , mathematics , geometry