A Hierarchical Program Representation for Refactoring. - Niels Van Eetvelde; Dirk Janssens (UNIGRA, 2003)

Extending Graph Rewriting for Refactoring. - Niels Van Eetvelde; Dirk Janssens (ICGT, 2004)

Using Graph Transformation for Practical Model-Driven Software Engineering. - Lars Grunske; Leif Geiger; Albert Zündorf; Niels Van Eetvelde; Pieter Van Gorp; Dániel Varró (Model-Driven Software Development, 2005)

Cloning and Expanding Graph Transformation Rules for Refactoring. - Berthold Hoffmann; Dirk Janssens; Niels Van Eetvelde (GRaMoT@GPCE, 2005)

Formalizing refactorings with graph transformations. - Tom Mens; Niels Van Eetvelde; Serge Demeyer; Dirk Janssens (J. Softw. Maintenance Res. Pract., 2005)

Adaptive Star Grammars. - Frank Drewes; Berthold Hoffmann; Dirk Janssens; Mark Minas; Niels Van Eetvelde (ICGT, 2006)

Shaped Generic Graph Transformation. - Frank Drewes; Berthold Hoffmann; Dirk Janssens; Mark Minas; Niels Van Eetvelde (AGTIVE, 2007)