TY  - BOOK
AU  - U.S. Commerce (Dept. of-) N.B.S.
AU  - Cornog, D.Y., [et al]
TI  - Legibility of alphanumeric characters and other symbols. 1: A permuted title index and bibliography
U1  - 411 
PY  - 1964///
PB  - U.S. Dept. of Commerce
ER  -