TY  - BOOK
AU  - Walker, Adrian
TI  - Knowledge systems and prolog : developing expert, database and natural language systems 
SN  - 0201524244 
U1  - 006.33 KNO 1990 
PY  - 1990///
CY  - Reading
PB  - Addison-Wesley
KW  - Expert systems (Computer science)
KW  - Natural language processing (Computer science)
KW  - Prolog (Computer program language)
N1  - Includes bibliographical references (p. 513-522)
ER  -