1. A process approach in measuring quality costs of construction projects: model development
2. ANSI/EIA-632, Processes for engineering a system, ISO/IEC TR 19760, 2003.
3. “Vermeidung und Vorverlagerung von Anderungen,” Integriertes Anderungsmanagement, and (Editors), Springer, Berlin, 1998.
4. Software engineering economics, Prentice Hall, Englewood Cliffs, NJ, 1981.
5. Top 10 list [software development]