000 00317nam a2200133Ia 4500
008 241124s9999 xx 000 0 und d
100 _aBeck, L.L.
245 0 _aSystem Software: An Introduction To Systems Programming
250 _a3
260 _bPearson Education
260 _c2003
300 _a519
942 _cBK
999 _c3781
_d3781