The impact of test suite granularity on the cost-effectiveness of regression testing. - Gregg Rothermel; Sebastian G. Elbaum; Alexey G. Malishevsky; Praveen Kallakuri; Brian Davia (ICSE, 2002)

Understanding the effects of changes on the cost-effectiveness of regression testing techniques. - Sebastian G. Elbaum; Praveen Kallakuri; Alexey G. Malishevsky; Gregg Rothermel; Satya Kanduri (Softw. Test. Verification Reliab., 2003)

On test suite composition and cost-effective regression testing. - Gregg Rothermel; Sebastian G. Elbaum; Alexey G. Malishevsky; Praveen Kallakuri; Xuemei Qiu (ACM Trans. Softw. Eng. Methodol., 2004)