TY  - BOOK
AU  - Alty , J. L.
AU  - Coombs, M. J. 
TI  - Expert systems: concepts and examples
U1  - 001.64 
PY  - 1984///
CY  - Manchester
PB  - NCC
KW  - Knowledge
N1  - Bibliography: pp. 195-200
ER  -