TY  - BOOK
AU  - Ferro R ed.
ED  - Logic Colloquium( 1988 : Padova,Italy )
ED  - 
TI  - Proceedings
SN  - 0-444-87455-0
U1  - 511.3 
PY  - 1989///
CY  - Amsterdam
PB  - North-Holland
KW  - Mathematical logic
ER  -