@inproceedings{Giovannelli:2025g5,
  author = "Giovannelli, Franco",
  title = "{The history of HE experiments $-$ from UHURU to IXPE $-$ (A personal view)}",
  doi = "10.22323/1.482.0035",
  booktitle = "Proceedings of Frontier Research in Astrophysics – IV {\textemdash} PoS(FRAPWS2024)",
  year = 2025,
  volume = "482",
  pages = "035"
}