A rule-based process representation technique for software process evaluation. - Dieter Welzel (Inf. Softw. Technol., 1993)

A five step method for metric-based software evaluation - effective software metrication with respect to quality standards. - Dieter Welzel; Hans-Ludwig Hausen (Microprocess. Microprogramming, 1993)

A Metric-Based Software Evaluation Method. - Dieter Welzel; Hans-Ludwig Hausen; Jørgen Bøegh (Softw. Test. Verification Reliab., 1993)

Practical concurrent software evaluation for certification. - Dieter Welzel; Hans-Ludwig Hausen (J. Syst. Softw., 1997)