000 00309nam a2200121Ia 4500
008 250409s9999 xx 000 0 und d
020 _a0-07-063546-3
082 _a5.422
_bDAS
100 _aDas, sumitabha
245 0 _aunix, concept and application 4/E
260 _aVidhyanagar
_bTMH
_c2006
365 _a315/-
999 _c253706
_d253706