@COMMENT This file was generated by bib2html_grace.pl <https://sourceforge.net/projects/bib2html/> version 0.94
@COMMENT written by Patrick Riley <https://sourceforge.net/users/patstg/>
@COMMENT This file was prepared using the NASA Astrophysics Data System (ADS)
@COMMENT https://ui.adsabs.harvard.edu/
@ARTICLE{2026AnGp...69P.214B,
       author = {{Bilitza}, Dieter and {Olwendo}, Joseph and {Pignalberi}, Alessio and {Pezzopane}, Michael},
        title = "{Preface on the Special Issue ``International Reference Ionosphere: Improvement and Evaluation of a Global Standard''}",
      journal = {Annals of Geophysics},
         year = 2026,
        month = apr,
       volume = {69},
       number = {2},
        pages = {P214},
          doi = {10.4401/ag-9594},
       adsurl = {https://ui.adsabs.harvard.edu/abs/2026AnGp...69P.214B},
      adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}