000 00287nam a2200121Ia 4500
008 160122s9999 xx 000 0 und d
041 _aEnglish
100 _aN Madan
245 _aOperating System And Programming
260 _bDelhi:Himalaya
_c1994
300 _a289p.
650 _aComputer
999 _c3913
_d3913