Krishna Rao, M. R. K. Programming Logics, MPI for Informatics, Max Planck Society;
https://rdcu.be/dvCBZ (Publisher version)
Krishna Rao, M. R. K. (1996). Modularity of Termination in Term Graph Rewriting. In H. Ganzinger (Ed.), Rewriting Techniques and Applications (pp. 230-244). Berlin, Germany: Springer.