000 00287nam a2200121Ia 4500
008 230303s9999 xx 000 0 und d
041 _aeng
082 _a005.282 DAS
100 _aDAS (SUMITABHA
245 _aUnix, Concepts and Applications
260 _aNEW DELHI
_bTMH
365 _cRS
999 _c205812
_d205812