000 00315nam a2200121Ia 4500
008 220217s9999||||xx |||||||||||||| ||und||
082 _a005.43 HAR
100 _aHarris, Archer, J
245 0 _aOperating systems
260 _aTata mcgraw hill
_bNew Delhi
_c2003
300 _b175
650 _aOperating systems
999 _c170929
_d170929