Bibtex entry:
@INPROCEEDINGS{ian-karl:preventive,
AUTHOR = "Karl J. Lieberherr and Ian Holland",
TITLE = "Tools for preventive software maintenance",
BOOKTITLE = "Conference on Software Maintenance",
YEAR = 1989,
PUBLISHER = "IEEE",
PAGES = "2-13",
ADDRESS = "Miami, Florida, October 16-19"
}