000 00357nam a2200145Ia 4500
100 _aBECK,LELAND.L AND MANJULA,D
020 _a817758555x
250 _a3rd Edition
365 _cRS
365 _d1
942 _cMCABK
245 _aSystem software:an Introduction to System Programming
260 _bPearson Education
_c2007
_aNew Delhi
300 _axv+495
999 _c19644
_d19644