The number of current citations to articles published in a specific journal in a two year period divided by the total number of articles published in the same journal in the corresponding two year period.

It should be stressed that a journal's impact factor is a meaningful indicator only when considered in the context of similar journals covering a single field of investigation or subject discipline. For more information on this, please refer to the essays: The Impact Factor ( ) and Using the Impact Factor (
source :

Log in or register to write something here or to contact authors.