TY  - BOOK
AU  - Ballinger,Louise Bowen
AU  - Ballinger,Raymond A.
TI  - Sign symbol & form
U1  - 659.13/B192s 
PY  - 1972///
CY  - N.Y.; Cincinnati; Toronto
PB  - Van Nostrand Reinhold Company
KW  - Advertising
N1  - Bibliography at the end
ER  -