000 00286nam a2200121Ia 4500
008 160710s1999 xx 000 0 und d
082 _a005.432 PET
100 _aPETERSEN,R.L.
245 _aUNIX CLEARLY EXPLAINED
260 _bAP PROFESSIONAL
_c1999
300 _a691
942 _2ddc
_cB
999 _c56472
_d56472