000 00281nam a2200121Ia 4500
008 240411s9999||||xx |||||||||||||| ||und||
040 _aSCA
100 _aGalvin,S
245 0 _aOperating System Principles
250 _a7th
260 _aNew Delhi
_bJohn Willey
_c2006
942 _cBK
999 _c48707
_d48707