000			00334nam a2200145Ia 4500
008			200813s9999 xx 000 0 und d
020			_a9780070635463
082			_a005.43
100			_aDas,Sumitabha
245		0	_aUnix concept and applications
250			_a4th
260			_aNew Delhi _bTMH _c2008
300			_a671
942			_cREF
999			_c34485 _d34485