Analysis of the usage of the scientific serials and determination of its hardcore at the Department of Physics Library, Faculty of Exact Sciences, National University of La Plata. A case of study

The bibliometric analysis of the scientific serials collection of the Department of Physics Library of the Faculty of Exact Sciences of the National University of La Plata, Argentina [http://biblio.fisica.unlp.edu.ar] had allowed the evaluation of its use at a scientific centre, with important international groups of scientists. This analysis also had allowed, the accuracy of this collection according with the needs of information of the users, and, the hardcore that could obtained the data in order to decide the collection development. To instrument it, we had implement a technique that can study the relationship between the bibliographic references or cites –at footnote or at the end of every paper. It also had analized its usage onto two aspects: the bibliographic reference like an index of the information use, and the bibliographic cite to know the impact that the bibliographic production had had at the scientist community. It also had analized, the influence that had –from its origin- the web site of the Electronic Library of Science and Technology, that belongs to the Science, technology and Productive Innovation Ministry, Argentina [http://www.biblioteca.mincyt.gov.ar] on the searching and recuperation of the information in situ