2001'

@proceedings{DBLP:conf/er/2001,
  editor    = {Hideko S. Kunii and
               Sushil Jajodia and
               Arne S{\o}lvberg},
  title     = {Conceptual Modeling - ER 2001, 20th International Conference
               on Conceptual Modeling, Yokohama, Japan, November 27-30,
               2001, Proceedings},
  booktitle = {ER},
  publisher = {Springer},
  series    = {Lecture Notes in Computer Science},
  volume    = {2224},
  year      = {2001},
  isbn      = {3-540-42866-6},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}