It is the faculty to use and exploit on an exclusive manner distinctive titles, names, denominations, physical and psychological characteristics, or applicable original operating characteristics.


The International Standard Book Number is an identifier used to identify a title, an edition or a publication of an editor. It contains the State or native language code, who is the editor, the article number and a check digit.


The International Standard Serial Number is a unique number of international nature (sequential) used to identify serial publications as newspapers, magazines, leaflet or brochure, yearbooks and any regular publication. The ISSN enables to standardize the classification and catalog of these kind of publications.