It is calculated annually by the Institute for Scientific Information/Thompson Scientific Reuters for those journals indexed in its database, and it is published by the Journal Citations Reports JCR.
Es calculado anualmente por el Institute for Scientific Information/Thompson Scientific Reuters para las revistas indexadas en su base de datos y es publicado por el Journal Citations Reports JCR.
É calculado anualmente pelo Institute for Scientific Information/Thompson Scientific Reuters para as revistas indexadas em sua base de dados e é publicado pelo Journal Citations Reports JCR.