000			00443nmm a2200145Ia 4500
008			230202s9999||||xx |||||||||||||||||und||
020			_a9783540473565
100			_aGünther Pernul, A Min Tjoa
245		0	_aEntity-Relationship Approach - ER '92
250			_a1992
260			_bSpringer Berlin Heidelberg _c1992
440			_aLecture Notes in Computer Science
650			_aComputer Science
856			_uhttps://doi.org/10.1007/3-540-56023-8
999			_c26511 _d26511