TY  - BOOK
AU  - Dreyfuss,Henry
TI  - Symbol sourcebook: An authoritative guide to international graphic symbols 
SN  - 0442218060
PY  - 1984///
CY  - New York
PB  - Van Nostrand Reinhold
KW  - Signs and symbols
N1  - Includes index; Bibliography: p. 252-267
ER  -