1. Refactoring Databases: Evolutionary Database Design;Ambler,2006
2. Dependency Structures of Data Base Relationships;Armstrong;IFIP Congress,1974
3. The Object-Oriented Database System Manifesto;Atkinson,1989
4. Building an Object-Oriented Database System: The Story of O2,1992
5. Data Structure Diagrams;Bachman;Database,1969