This master's dissertation was written by myself and in my own words, except quotations from published and unpublished sources which are clearly indicated and acknowledged as such. I am conscious that the incorporation of material from other works or a paraphrase of such material without acknowledgement will be treated as plagiarism, subject to the customs and uses on the subject, according to the art. 20.º-A of the Regulation of the 2.º Cycle and, the art. 8.º of the Regulation of the 3.º Cycle of NOVA Law School. The source of any picture, figure or other illustration is also indicated, as is the source, published or unpublished, of any material not resulting from my own experimentation, observation or specimen-collecting. II.
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