@article{DBLP:journals/tosem/LaraG18,
  author       = {Juan de Lara and
                  Esther Guerra},
  title        = {Refactoring Multi-Level Models},
  journal      = {{ACM} Trans. Softw. Eng. Methodol.},
  volume       = {27},
  number       = {4},
  pages        = {17:1--17:56},
  year         = {2018},
  url          = {https://doi.org/10.1145/3280985},
  doi          = {10.1145/3280985},
}