000 00267nam a2200121Ia 4500
008 211004s9999 xx 000 0 und d
245 _aSIGOPS OPERATING SYSTEMS REVIEW
260 _c2017-2018
500 _a"1,2"
500 _a51
500 _aAUG-JULY
942 _cBV
999 _c21735
_d21735