000 00292nam a2200121Ia 4500
008 210616s9999 xx 000 0 und d
020 _a9788130000000
100 _aYen, john
245 0 _aFuzzy logic
260 _c1999
650 _aNatural Science and Mathematics
_bMathematics
942 _cBK
999 _c9863
_d9863