Kyratzis, D., G. Savvidis, και I. Savvidis. ‘Study and Detection of Solar Neutrons at Ground Level With the Spherical Proportional Counter’. Annual Symposium of the Hellenic Nuclear Physics Society 25 (Απρίλιος 1, 2019): 56–59. ημερομηνία πρόσβασης Μάιος 17, 2024. https://eproceedings.epublishing.ekt.gr/index.php/hnps/article/view/1976.