1. Fenton, N.; Bieman, J.: Software Metrics: A Rigorous and Practical Approach, 3rd edn. CRC Press, London (2014)
2. Chidamber, S.R.; Kemerer, C.F.: A metrics suite for object oriented design. IEEE Trans. Softw. Eng. 20(6), 476–493 (1994)
3. ISO/IEC 25010:2011: Systems and software engineering—systems and software quality requirements and evaluation 2011
4. Pressman, R.S.: Software Engineering A Practitioner’s Approach, 7th edn. McGraw-Hill, New York (2010)
5. Galorath, D.D.: Software total ownership costs: development is only job one. Softw. Technol. News 11(3), 1–14 (2008).