@incollection{modularityHandbookB08,
  title = "{Ontology Integration Using $\mathcal{E}$-connections}",
  author = "Bernardo {Cuenca Grau} and Bijan Parsia and Evren Sirin",
  year = "2009",
  booktitle = "Modular Ontologies: Concepts, Theories and Techniques for Knowledge Modularization",
  editor = "Heiner Stuckenschmidt and Stefano Spaccapietra",
  publisher = "Springer",
  series = "LNCS",
}