1. Amland, S.: Risk Based Testing and Metrics. In: EuroSTAR’99: 5 th European International Conference on Software Testing Analysis and Review, Barcelona, Spain, November 1999
2. Bach, J.: Risk and Requirements-Based Testing. IEEE Computer, 32(6), pp 113–114 (June 1999)
3. Beizer, B.: Software Testing Techniques, 2nd ed (Van Nostrand Reinhold, New York 1990)
4. Biffl, S., Freimut, B., and Laitenberger, O.: Investigating the Cost-Effectiveness of Reinspections in Software Development. In: ACM/IEEE International Conference on Software Engineering, Toronto, Canada, IEEE Comp. Soc. Press, May 2001
5. Black, R.: Managing the Testing Process: Practical Tools and Techniques for Managing Hardware and Software Testing (Wiley, New York 2002)