Sebastian G. Elbaum Praveen Kallakuri Alexey G. Malishevsky Gregg Rothermel Satya Kanduri Understanding the effects of changes on the cost-effectiveness of regression testing techniques. 65-83 2003 13 Softw. Test., Verif. Reliab. 2 http://dx.doi.org/10.1002/stvr.263 db/journals/stvr/stvr13.html#ElbaumKMRK03