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This journal reserves the right to make, in the originals, normative, orthographic and grammatical modifications in order to maintain the standard language and the credibility of the publication. It will respect, however, the authors’ style of writing. Modifications, corrections and suggestions of conceptual order will be forwarded to the authors, if necessary. In these cases, the papers, once appropriate, should be submitted to a new appreciation. The final examinations will not be forwarded to the authors. Works published become property of Signum, being its total or partial reprint subject to an explicit authorization of the journal. In all subsequent quotes the original source of publication should be mentioned, in case, in Photographic Discourse. Opinions emitted by the authors are their exclusive responsibility.