@inproceedings{ICSM-1998-NiessinkV,
	author        = "Frank Niessink and Hans van Vliet",
	booktitle     = "{Proceedings of the 14th International Conference on Software Maintenance}",
	ee            = "http://dlib.computer.org/conferen/icsm/8779/pdf/87790076.pdf",
	pages         = "76--85",
	publisher     = "{IEEE Computer Society}",
	title         = "{Two Case Studies in Measuring Software Maintenance Effort}",
	year          = 1998,
}