000 00346nam a2200157Ia 4500
008 230913s9999 xx 000 0 und d
082 _a5.131 das
100 _aDas, Sumitabha
245 0 _aUnix Concept And Applications
250 _aIV
260 _aNEW DELHI
260 _bTMH
260 _c2007
300 _a671
650 _aManagement
999 _c143011
_d143011