@inproceedings{SEFM-2009-KawamataSIH,
	author        = "Yojiro Kawamata and Christian Sommer and Fuyuki Ishikawa and Shinichi Honiden",
	booktitle     = "{Proceedings of the Seventh IEEE International Conference on Software Engineering and Formal Methods}",
	doi           = "10.1109/SEFM.2009.34",
	isbn          = "978-0-7695-3870-9",
	pages         = "220--227",
	publisher     = "{IEEE Computer Society}",
	title         = "{Specifying and Checking Refinement Relationships in VDM++}",
	year          = 2009,
}