1. Lecture Notes in Computer Science;C. Abts,2002
2. Alves, C., Finkelstein, A.: Challenges in COTS Decision-Making: A Goal-Driven Requirements Engineering Perspective. In: Proc. of the 14th International Conference on Software Engineering and Knowledge Engineering, SEKE 2002 (2002)
3. Azuma, M.: SquaRE, the next generation of the ISO/IEC 9126 and 14598 international standards series on software product quality. In: ESCOM (European Software Control and Metrics conference) (April 2001), http://www.escom.co.uk/conference2001/papers/azuma.pdf
4. Lecture Notes in Computer Science;K. Ballurio,2002
5. Basili, V.: Software Modeling and Measurement: The Goal/Question/Metric Paradigm. Tech. Report CS-TR-2956, University of Maryland (1992)