Legibility of alphanumeric characters and other symbols
Cornog, D Y
Legibility of alphanumeric characters and other symbols - Washington, D.C: National Bureau of Standards Miscellaneous, 1967 - ii, 460p.
Prolegomena
Alphanumeric
R 003.62:51 / K4.2
Legibility of alphanumeric characters and other symbols - Washington, D.C: National Bureau of Standards Miscellaneous, 1967 - ii, 460p.
Prolegomena
Alphanumeric
R 003.62:51 / K4.2