René Thiemann Jürgen Giesl The size-change principle and dependency pairs for termination of term rewriting. 229-270 2005 16 Appl. Algebra Eng. Commun. Comput. 4 http://dx.doi.org/10.1007/s00200-005-0179-7 db/journals/aaecc/aaecc16.html#ThiemannG05