1. UML 2.0 Infrastructure. OMG doc. formal/07-05-05,
http://www.omg.org/
2. UML 2.0 Superstructure. OMG doc. formal/07-05-04,
http://www.omg.org/
3. Common Warehouse Metamodel Specification. OMG doc. formal/2003-03-02,
http://www.omg.org
4. Software Process Engineering Metamodel Specification (SPEM). OMG doc. formal/2005-01-06,
http://www.omg.org
5. UML profile for CORBA. OMG doc. formal/02-04-01,
http://www.omg.org