TY  - BOOK
AU  - Kruse,Rudolf
AU  - Schwecke,E.
AU  - Heinsohn,J.
TI  - Uncertainty and vagueness in knowledge based systems: numerical methods 
T2  - Artificial intelligence
SN  - 0387541659 
U1  - 006.3 
PY  - 1991///
CY  - Berlin
PB  - Springer-Verlag
KW  - Artificial intelligence
KW  - Uncertainty (Information theory)
KW  - Expert systems (Computer science)
KW  - Fuzzy sets
KW  - Mathematical models
ER  -