@Inproceedings{EPTCS209.4,
  author    = {Madeira, Alexandre and A. Martins, Manuel and S. Barbosa, Lu\'is },
  year      = {2016},
  title     = {A logic for n-dimensional hierarchical refinement},
  editor    = {Derrick, John and Boiten, Eerke and Reeves, Steve},
  booktitle = {{\rm Proceedings 17th International Workshop on}
               Refinement,
               {\rm Oslo, Norway, 22nd June 2015}},
  series    = {Electronic Proceedings in Theoretical Computer Science},
  volume    = {209},
  publisher = {Open Publishing Association},
  pages     = {40-56},
  doi       = {10.4204/EPTCS.209.4},
}