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  1. 1
    Legibility of alphanumeric characters and other symbols

    Legibility of alphanumeric characters and other symbols by Cornog, Douglas Y.

    Washington : U.S. Dept. of Commerce, National Bureau of Standards; for sale by the Supt. of Docs., U.S. Govt. Print. Off, 1964
    Format: Government Document Book


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  2. 2
    Legibility of Alphanumeric Characters and Other Symbols, II : 2, Reference Handbook

    Legibility of Alphanumeric Characters and Other Symbols, II : 2, Reference Handbook by Cornog, Douglas Y., Rose, F. Glayton

    Washington : U.S. Dept. of Commerce, National Bureau of Standards, 1967
    Format: Government Document Book


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  3. 3
    Legibility of alphanumeric characters and other symbols : Permuted title index and bibliography

    Legibility of alphanumeric characters and other symbols : Permuted title index and bibliography by Cornog, Douglas Y.

    Washington,; Gaithersburg, MD : U.S. Dept. of Commerce, National Institute of Standards and Technology, 1964
    Format: Government Document Book


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