Sílvio Moreira, Ramon Fernandez Astudillo, Wang Ling, Bruno Martins, Mário J. Silva, Isabel Trancoso, [http://www.inesc-id.pt/pt/indic
Ramon Fernandez Astudillo, Sílvio Moreira, Wang Ling, Bruno Martins, Mário J. Silva, Isabel Trancoso, [http://www.inesc-id.pt/pt/indic
* Bruno Oliveira, Carlos Pona, David Martins de Matos, Ricardo Daniel Ribeiro, Util
* Ricardo Daniel Ribeiro, David Martins de Matos, Bruno Oliveira, Carlos Pona, Luísa Coheur, Creating and Maintaining Multi-purpos
...able at ACM Digital Library: ''Paula Cristina Vaz, David Martins de Matos, Bruno Martins, Pável Calado, [http://dl.acm.org/citation.cfm?id=2232817.2232904&