000 00337nam a2200169Ia 4500
008 240220s9999 xx 000 0 und d
041 _aENG
100 _aMac Donald M.
245 0 _aRobots
260 _aNULL
260 _bBritish Library.
260 _c1985
300 _a48p.
365 _b110
650 _aETC
942 _cDBK
999 _c20483
_d20483