1. Refactoring Object-Oriented Frameworks;Opdyke,1992
2. D. Roberts, J. Brant, R.E. Johnson, B. Opdyke, An automated refactoring tool, in: Proceedings of ICAST ’96, 1996.
3. A refactoring tool for Smalltalk;Roberts;Theory Pract. Object Syst.,1997
4. “Good enough” analysis for refactoring;Brant,1998
5. Practical Analysis for Refactoring;Roberts,1999