1. A unified approach to program and data conversion;Housel,1977
2. Database analysis and design;Hawryszkiewycz,1984
3. Third normal form made easy;Salzberg;SIGMOD Record of ACM,1986
4. Techniques for converting to relational database system: a critical appraisal;Fong,1990
5. An assessment of the technology for data- and program-related conversion;Fry,1977