1. A methodology for collecting valid software engineering data;Basili;IEEE Transactions on Software Engineering,1984
2. The Practice of Social Research;Babbie,1986
3. In-process improvement through defect data interpretation;Bhandari;IBM Systems Journal,1994
4. Orthogonal defect classification using defect data to improve software development;Bridge;ASQ Software Quality Newsletter,1998
5. Statistical Methods for Software Quality;Burr,1996