@preamble{ "\newcommand{\noopsort}[1]{} "
	# "\newcommand{\printfirst}[2]{#1} "
	# "\newcommand{\singleletter}[1]{#1} "
	# "\newcommand{\switchargs}[2]{#2#1} " }

@InProceedings{Bridge,
  author = {David Akehurst and Octavian Patrascoiu},
  title = "OCL 2.0 - Implementing the Standard for Multiple Metamodels",
  booktitle = "OCL 2.0 - Industry standard or scientific playground?",
  address = "UML 2003, San Francisco"
}

@MISC{EMF,
   title = "The Eclipse Modeling Framework Project",
   url = "http://www.eclipse.org/emf",
}

@MISC{MDT/OCL,
   title = "Eclipse MDT/OCL Project",
   url = "http://www.eclipse.org/projects/project_summary.php?projectid=modeling.mdt.ocl",
}

@MANUAL{MOF-2.4,
   title = "Meta Object Facility (MOF) Core Specification",
   organization = "Object Management Group",
   edition = "Version 2.4, OMG Document Number: formal/2010-12-08",
   url = "http://www.omg.org/spec/MOF/2.4",
}

@MANUAL{OCL-1.6,
   title = "Object Constraint Language",
   organization = "Object Management Group",
   edition = "Version 1.6, OMG Document Number: formal/2010-02-01",
   url = "http://www.omg.org/spec/OCL/1.6",
}


@MANUAL{OCL-2.0,
   title = "Object Constraint Language",
   organization = "Object Management Group",
   edition = "Version 2.0, OMG Document Number: formal/06-05-01, 2006",
   url = "http://www.omg.org/spec/OCL/2.0",
}

@MANUAL{OCL-2.2,
   title = "Object Constraint Language",
   organization = "Object Management Group",
   edition = "Version 2.2, OMG Document Number: formal/2010-02-01",
   url = "http://www.omg.org/spec/OCL/2.2",
}

@MANUAL{OCL-2.3,
   title = "Object Constraint Language",
   organization = "Object Management Group",
   edition = "Version 2.3, OMG Document Number: formal/2010-11-42",
   url = "http://www.omg.org/spec/OCL/2.3",}

@MANUAL{OCL-2.0-draft,
   title = "Object Constraint Language",
   organization = "Object Management Group",
   edition = "Version 2.0 draft, OMG Document Number: ptc/03-10-14",
   url = "http://www.omg.org/cgi-bin/doc?ptc/03-10-14",
}

@InProceedings{OCL-stdlib,
  author = {Edward D. Willink},
  title = "Modeling the OCL Standard Library",
  booktitle = "OCL 2011, International Workshop on OCL and Textual Modelling",
  address = "TOOLS 2011, Zurich"
}

@InProceedings{Pivot,
  author = {Matthias Br\"{a}uer and Birgit Demuth},
  title = "Model-Level Integration of the OCL Standard Library Using a Pivot Model with Generics Support",
  booktitle = "Ocl4All: Modelling Systems with OCL",
  address = "Models 2007, Nashville"
}

@MANUAL{QVT-1.0,
   title = "Query/View/Transformation Specification",
   organization = "Object Management Group",
   edition = "Version 1.0, OMG Document Number: formal/08-04-03, 2008",
   url = http://www.omg.org/spec/QVT/1.0/",
}

@MANUAL{UML-2.0,
   title = "Unified Modeling Language, Infrastructure",
   organization = "Object Management Group",
   edition = "Version 2.03, OMG Document Number: formal/2005-07-05",
   url = "http://www.omg.org/spec/UML/2.0/",
}

@MANUAL{UML-simple,
   title = "UML Specification Simplification Request For Proposal",
   organization = "Object Management Group",
   edition = "Version 2.03, OMG Document Number: ad/2009-12-10",
   url = "http://www.omg.org/cgi-bin/doc?ad/2009-12-10",
}

@InProceedings{Variability,
  author = {Claas Wilke and Michael Thiele and Christian Wende},
   title = "Extending Variability for OCL Interpretation",
  booktitle = "OCL 2010: Workshop on OCL and Textual Modelling",
  address = "Modelsl 2010, Oslo"
}