TY  - BOOK
AU  - RICH, Elaine
ED  - kevin knight
TI  - Artificial Interlligence
SN  - 0-07-052263-4
U1  - 6.3 
PY  - 1991///
CY  - NeW York .
PB  - McGraw Hill
KW  - statistical reasoning
KW  - expert system
KW  - natural languages
ER  -