VOLUME 9 NÚMERO 2 ANO 2004

License

Authors who publish in this journal agree to the following terms:

- Authors retain copyright and grant the journal right of first publication, with the work simultaneously licensed under a Creative Commons Attribution License that allows others to share the work with an acknowledgement of the work's authorship and initial publication in this journal.

- Authors are authorized to enter into separate, additional contractual arrangements for the non-exclusive distribution of the journal's published version of the work (e.g., publishing in an institutional repository or as a book chapter), with an acknowledgement of its authorship and initial publication in this journal.