TY  - BOOK
AU  - Borger E
ED  - Workshop on Computer Science Logic( 4th : 1990 : Heidelberg )
ED  - Workshop on Computer Science Logic 4th
TI  - Computer science logic : proceedings
SN  - 3-540-54487-9
U1  - 5.131 
PY  - 1991///
CY  - Berlin
PB  - Springer Verlag
KW  - Computer science
ER  -