Between information which includes picks up the references that appear in the documents, regardless of the quality or type of document. For each document collects the name of all participating authors, as well as the affiliations or workplaces of all of them. The ISI databases are the most commonly used because they are multidisciplinary databases containing all journals in all fields of science, and contain a number of fields with bibliographic features that collect data from: author publication address source document title complete document type language number of references that contains both those carried out by the documents published to other subsequent documents such as citations to previous documents. Journal Citation Report the JCR is a repertoire published by the ISI since the 1970s that collects statistical information about the most important magazines of the world of scientific and technological areas and social sciences. Offers information on: the number of documents published by a magazine in a year.

Information on the number of citations received by the documents published in a magazine. The index of immediacy the impact factor of a journal analysis of quotes from magazine to magazine the antiquity of the references used by the magazines Bibliometric studies applications broadly, Bibliometric studies are applied to learn the scientific production of researchers, scientific activity in a country, the most productive authors, how the scientific literature is scatteredto know the aging of science in the field of management of libraries and documentation centres, is important for books or magazines subscriptions. Studies of users facing, we can consider authors as consumers of bibliography, so the study of references that include in their work allows us to identify the most necessary publications. In the field of science and technology, allows us to evaluate the activities and scientific policies, conduct studies on Science, evaluate teachers and university centres, etc. Compiled by. Javier Mejia T. original author and source of the article