TY  - BOOK
AU  - Walker,Andrian
TI  - Knowledge systems and prolog: a logical approach to expert systems and natural language processing
SN  - 0201090449
PY  - 1987///
CY  - Reading, Mass.
PB  - Addison-Wesley
KW  - Expert systems (Computer science)
KW  - Prolog (Computer program language)
N1  - p. 449-457
ER  -