TY  - BOOK
AU  - Ermine, Jean-Louis
TI  -  Expert systems : : theory and practice
SN  - 8120309197
U1  - 658.4032 ERM 
PY  - 1995///
CY  - New Delhi
PB  - Prentice-Hall of India
KW  - Expert systems
KW  - Semiotic theory
N1  - Includes bibliographical references (p. 177 - 180)
ER  -