@ARTICLE{Onggo2009,
  author = {Onggo, B.S.S},
  title = {Towards a Unified Conceptual Model Representation: A Case Study in
	Health Care},
  journal = {Journal of Simulation},
  year = {2009},
  volume = {3},
  pages = {40-49},
  number = {1},
  owner = {Stephan},
  timestamp = {2012.05.23}
}