000 00299nam a2200121Ia 4500
999 _c26346
_d26346
020 _a9788178080369
100 _aLeland L Beck.
245 _aSystem Software: An Introduction to Systems Programming
250 _a3
260 _c2000
_bADDISON WESLEY
_aNew York
300 _axiii+519
942 _cBB