@inproceedings{ICSM-2002-WaqarKV,
	author        = "Umer Waqar and Ferhat Khendek and Daniel Vincent",
	booktitle     = "{Proceedings of the 18th International Conference on Software Maintenance}",
	ee            = "http://computer.org/proceedings/icsm/1819/18190608abs.htm",
	isbn          = "0-7695-1819-2",
	pages         = "608--617",
	publisher     = "{IEEE Computer Society}",
	title         = "{A Formal Approach for Software Maintenance}",
	year          = 2002,
}