IEEE 12. Proceedings from the 5th International Conference on Software Testing and Validation (ICST). Software Competence Center Hagenberg. "Test Design: Lessons Learned and Practical Implications. July 18, 2008. pp. 1–150. doi:10.1109/IEEESTD.2008.4578383. ISBN978-0-7381-5746-7. {{cite book}}: |journal= ignored (help)