000 00446nam a2200157Ia 4500
008 241226s9999 xx 000 0 und d
020 _a0-201-43581-0
082 _a005.1
_bBEC
100 _aBeck, L
245 0 _aSystem software an introduction tosystem programming
250 _a3rd edition.
260 _aNew York :
_bAddison Weley,
_c1997.
300 _axiii,519
365 _a243.8
650 _aComputer EngineeringInformation Technology
999 _c130270
_d130270