@techreport{GrauHorrKazSatt:07:Modul:TR,
  title = "Extracting Modules from Ontologies: Theory and Practice",
  author = "Cuenca Grau and Bernardo and Horrocks, Ian and Kazakov, Yevgeny and Sattler, Ulrike",
  year = "2007",
  address = "Oxford Road, Manchester M13 9PL, UK",
  institution = "The University of Manchester",
  month = "February",
}