000 00300nam a2200121Ia 4500
008 221030s9999 xx 000 0 und d
041 _aEnglish
100 _aD. M Dhamdhere
245 0 _aOperating Systems - A Concept - Based Approach
_cby D. M Dhamdhere
260 _c0
650 _aB
942 _cBK
999 _c16408
_d16408