000 00261nam a2200109Ia 4500
008 190516s9999 xx 000 0 und d
100 _aCLOCKSIN WF AND MELLISH CS
245 0 _aPROGRAMMING IN PROLOG
260 _c2001
_bNAROSA PUB
300 _a281
942 _cBK
999 _c18918
_d18918