@techreport{ontoweb-d1-4,
  author = {Fernandez-Lopez, Mariano and Gomez-Perez, Asun and Euzenat, Jerome and Gangemi, Aldo and Kalfoglou, Y. and Pisanelli, D. and Schorlemmer, M. and Steve, G. and Stojanovic, Ljiljana and Stumme, Gerd and Sure, York},
  title = {A survey on methodologies for developing, maintaining, integrating, evaluating and reengineering ontologies},
  year = {2002},
  number = {1.4},
  url = {http://www.aifb.uni-karlsruhe.de/WBS/ysu/publications/OntoWeb_Del_1-4.pdf}
}

@techreport{fernandez02survey,
  author = {Fernandez-Lopez, Mariano and Gomez-Perez, Asun and Euzenat, Jerome and Gangemi, Aldo and Kalfoglou, Y. and Pisanelli, D. and Schorlemmer, M. and Steve, G. and Stojanovic, Ljilajana and Stumme, Gerd and Sure, York},
  title = {A survey on methodologies for developing, maintaining, integration, evaluation and

                reengineering ontologies},
  year = {2002},
  url = {http://www.kde.cs.uni-kassel.de/stumme/papers/2002/OntoWeb_Del_1-4.pdf}
}