TY  - BOOK
AU  - Lloyd J W
ED  - Symposium on Computational Logic( 1990 : Brussels )
ED  - Symposium on Computational Logic
TI  - Computational logic : proceedings
SN  - 3-540-53437-7
U1  - 5.131 
PY  - 1990///
CY  - Berlin
PB  - Springer Verlag
KW  - Computational logic
ER  -