Kexing Rui, Gregory Butler. Refactoring Use Case Models: The Metamodel. In Michael J. Oudshoorn, editor, Computer Science 2003, Twenty-Sixth Australasian Computer Science Conference (ACSC2003), Adelaide, South Australia, February 2003. Volume 16 of CRPIT, pages 301-308, Australian Computer Society, 2003. [doi]
Abstract is missing.