TY  - GEN
AU  - Shurtleff,D
AU  - Owen,D
TI  - Studies of display symbol legibility. VI. Leroy and Courtney smbols. ESD-TR-65-136. TM-4212
PY  - 1966///0724
KW  - Data Display
KW  - Printing
KW  - Reading
N1  - Publication Type: Journal Article
ER  -