TY  - BOOK
AU  - Martins J P
ED  - Portuguese Conference on Artificial Intelligence( 4th : 1989 : Libson )
ED  - Portuguese Conference on Artificial Intelligence 4th
TI  - EPIA 89 : proceedings
U1  - 6.3 
PY  - 1989///
CY  - Berlin
PB  - Springer Verlag
KW  - Artificial intelligence
KW  - Computer science
ER  -