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008 200906s9999 xx 000 0 und d
020 _a81-85095-82-5
082 _a512.025854 G7813
100 _aGRAY.P
245 0 _aLOGIC, ALGEBRA AND DATABASES
260 _bAFFILIATED EAST WEST, NEW DELHI
_c1988
300 _a23X15
942 _cBK
999 _c61698
_d61698