000 00321nam a22001337a 4500
020 _a9788177585551
082 _a005.42
100 _aBECK CELAND L.
245 _aSYSTEM SOFTWARE: AN INTRODUCTION TO SYSTEMS PROGRAMMING
250 _a3 RD
260 _aNEW DELHI
_bPEARSON
_c2007
300 _aXVI, 495 P
942 _cBK
999 _c8010
_d8010