000 00285nam a2200121Ia 4500
008 211126s9999 xx 000 0 und d
082 _a005.42282B
100 _aM.I.BACH
245 4 _aTHE DESIGN OF THE UNIX OPERATION SYSTEM
260 _bP.H.I
365 _b175.00
942 _cBTECH
999 _c131220
_d131220