000 00285nam a2200109Ia 4500
008 250217s9999 xx 000 0 und d
022 _a10782
082 _a004.05
_bCOM
245 0 _aCommunications of the ACM
260 _bAssociation for Computing Machinery
_aNew York
942 _cPRBP
999 _c188131
_d188130