TY  - GEN
AU  - Hammer, Eric M.
TI  - Logic and visual information
SN  - 1-881526-87-9
U1  - 511.30223 
PY  - 1995///
CY  - California
PB  - CSLI
KW  - Logic, Symbolic and mathematical
N1  - Includes bibliography and index
ER  -