000 00343nam a2200157Ia 4500
008 190201s9999 xx 000 0 und d
020 _a0-13-638040-9
082 _a1
082 _b64 KEL
100 _a"Keller, Laurie S."
245 0 _aOperating Systems
260 _aNew Delhi
260 _bPHI
260 _c1988
300 _a"xiv, 370"
999 _c28930
_d28930