000			00451nam a2200157Ia 4500
008			161214s9999 xx 000 0 und d
020			_a9781461264484 _c(pbk)
082			_223 _a005.74 _bPAT
100			_aPaton, Norman W.
245		0	_aActive rules in database systems
260			_aNew York: _bSpringer, _c1999
300			_axix, 439 p.; _bill.: _c24 cm.
490			_aMonographs in computer science
650			_aDatabase management
942			_2ddc _cBK
999			_c20710 _d20710