@Inproceedings{EPTCS55.4, author = {Rodrigues, C\'esar and A. Martins, Manuel and Madeira, Alexandre and S. Barbosa, Luis}, year = {2011}, title = {Refinement by interpretation in {\pi}-institutions}, editor = {Derrick, John and Boiten, Eerke and Reeves, Steve}, booktitle = {{\rm Proceedings 15th International} Refinement Workshop, {\rm Limerick, Ireland, 20th June 2011}}, series = {Electronic Proceedings in Theoretical Computer Science}, volume = {55}, publisher = {Open Publishing Association}, pages = {53-64}, doi = {10.4204/EPTCS.55.4}, }