000 00295nas a22000857a 4500
008 170117s9999 xx 000 0 und d
245 _aACM SIGMOD Record
_h[e-journal]
260 _bAssociation for Computing Machinery
856 _uhttp://dl.acm.org/citation.cfm?id=J689
_yeSS consortium 1969 - Current
999 _c548778
_d548778