1. A software quality specification methodology for knowledge-basd systems;Barrett,1990
2. Evaluating and comparing software metrics in the software engineering lab;Basili;Performance Evaluation Review,1981
3. Gateway: Metrics for knowledge based systems;Behrendt,1991
4. Field experiments with local software quality metrics;Binder;Software-Practice and Experience,1990
5. Artificial intelligence as an experimental science;Buchanan,1987