• The impact factor of scientific journals by broad category 

      Skalkidis, E.; Germenis, A. E.; Patsopoulos, N.; Trichopoulos, D. (2003)
      In this paper, we firstly describe the history, the calculation, the bibliometric use and the restrictions that must be kept in mind when journals' impact factors (IF) are used as a measure of the quality of research. ...
    • The impact of Greek publications on the international literature by scientific category 

      Skalkidis, I.; Germenis, A. E.; Patsopoulos, N.; Trichopoulos, D. (2004)
      OBJECTIVE: To investigate the penetration of Greek publications in the international literature by scientific category. METHOD: We used the publications database of the Institute for Scientific Information® (ISI), the ...
    • Metrics and rankings: Myths and fallacies 

      Manolopoulos Y., Katsaros D. (2017)
      In this paper we provide an introduction to the field of Bibliometrics. In particular, first we briefly describe its beginning and its evolution; we mention the main research fora as well. Further we categorize metrics ...