000 00316nam a2200121Ia 4500
008 250409s9999 xx 000 0 und d
020 _a81-203-0516-8
082 _a5.422
_bBAC
100 _aBach, Maurice J
245 4 _aThe design of the unix operating system
260 _aVidhyanagar
_bPHI
_c2007
365 _a225/-
999 _c253973
_d253973