000 00445nam a2200169 4500
008 160616s1990 000 0
245 _aUpdating logical databases
100 _aWinslett, Marianne
260 _aCambridge
260 _bCambridge university press
260 _c1990
300 _a211
440 _aCambridge tracts in theoretical computer science
020 _a0-521-37371-9
942 _cBK
_2BK2622
080 _a681.3.06 WIN
999 _c2622
_d2622