@inproceedings{CSMR-1998-CalzolariTA,
	author        = "F. Calzolari and Paolo Tonella and Giuliano Antoniol",
	booktitle     = "{Proceedings of the Second Euromicro Conference on Software Maintenance and Reengineering}",
	doi           = "10.1109/CSMR.1998.665787",
	isbn          = "0-8186-8421-6",
	pages         = "150--156",
	publisher     = "{IEEE Computer Society}",
	title         = "{Modeling Maintenance Effort by Means of Dynamic Systems}",
	year          = 1998,
}