TY  - BOOK
AU  - Dreyfuss, Henry
TI  - Symbol sourcebook: an authoritative guide to international graphic symbols
SN  - 0442218060
U1  - 302.222 DRE 
PY  - 1984///
PB  - Van Nostrand Reinhold/John Wiley
KW  - Information graphics
KW  - Symbols
ER  -