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@article{DBLP:journals/insk/OrtnerS89,
author = {Erich Ortner and
B. S{\"o}llner},
title = {Semantische Datenmodellierung nach der Objekttypenmethode},
journal = {Informatik Spektrum},
volume = {12},
number = {1},
year = {1989},
pages = {31-42},
bibsource = {DBLP, http://dblp.uni-trier.de}
}
Copyright © 2002-01-03 by Michael Ley (ley@uni-trier.de)