000 00286nam a2200121Ia 4500
008 240421s9999 xx 000 0 und d
100 _aNorton, Peter
245 0 _aIntroduction To Computers
250 _a7th
260 _aNew Delhi
_bMcGraw Hiil
_c2011
300 _a628p.
942 _cBK
999 _c15524
_d15524