000 00283nam a2200109Ia 4500
008 250217s9999 xx 000 0 und d
022 _a3600300
082 _a004.05
_bASS
245 0 _aACM Computing Surveys
260 _bAssociation for Computing Machinery
_aNew York
942 _cPRBP
999 _c188601
_d188600