TY  - BOOK
AU  - HEINSOHN,J, KRUSE,R, SCHWECKE,R
TI  - UNCERTAINITY AND VAGUENESS IN KNOWLEDGE BASED SYSTEMS: NUMERICAL METHODS
SN  - NCST
U1  - 901 
PY  - 1991///
CY  - BERLIN
PB  - SV
N1  - BR-414
ER  -