000 00285nam a2200097Ic 4500
008 240520s9999 xx 000 0 und d
100 1 _aWalters, John R.
245 1 0 _aCrafting knowledge: base systems - expert systems /
_cJohn R. Walters
264 1 _bJohn Wiley & Sons
_c1988
942 _cBK
999 _c19370
_d19370