000 00285nam a22001337a 4500
999 _c12032
_d12032
020 _a978-0-07-067120-1
082 _a004
100 _aPeter Norton
245 _aIntroduction to Computers
250 _a7th
260 _aChennai
_bMcGraw Hill
_c2011
300 _a628:p
942 _cBK