Paper of J. Stare and N. Kejžar published in the Journal of Informetrics
A paper STARE, Janez, KEJŽAR, Nataša. On standardization of the activity index was published in the Journal of Informetrics, Volume 8, Number 3. This scientific journal is ranked second (of 84) in its subject category. ARRS (Slovenian Research Agency) evaluates this as an "excellence in publication".