TY  - BOOK
AU  - Kruse, R.
AU  - Schwecke, E.
AU  - Heinsohn, J.
TI  - Uncertainity and vagueness in knowledge based systems: numerical methods /R. Kruse, E. Schwecke, J. Heinsohn
T2  - Artificial intelligence
SN  - 3540541659
U1  - 006.3 
PY  - 1991///
CY  - Berlin
PB  - S-V
ER  -