TY  - BOOK
AU  - Cornog, D Y 
AU  - Rose, F C 
TI  - Legibility of alphanumeric characters and other symbols 
PY  - 1964///
CY  - Washington, D.C: 
PB  - National Bureau of Standards Miscellaneous, 
KW  - Prolegomena
KW  - Alphanumeric
ER  -