Tom Mens Serge Demeyer Bart Du Bois Hans Stenten Pieter Van Gorp Refactoring: Current Research and Future Trends. 2003 82 Electr. Notes Theor. Comput. Sci. 3 http://www1.elsevier.com/gej-ng/31/29/23/133/52/show/Products/notes/index.htt#003 db/journals/entcs/entcs82.html#MensDBSG03