@inproceedings{Kapp91c,
   author = {G.~Kappel AND M.~Schrefl},
   booktitle = {{Dynamic Modelling of Information Systems, Proc. of the International Working Conference, Noordijkerhout, The Netherlands, April 9--10, 1990}},
   editor = {H.G.~Sol AND K.M.~van Hee},
   pages = {121--164},
   publisher = {Elsevier Science B.V. (North-Holland)},
   title = {{Using an Object-Oriented Diagram Technique for the Design of Information Systems}},
   year = {1991}
}
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