@inproceedings{RuzArmendariz:2026Vc, author = "Ruz Armendariz, Jaime", title = "{X-ray observations and their applications to the physics of axions (or other WISPs)}", doi = "10.22323/1.507.0020", booktitle = "Proceedings of 3rd General Meeting of the COST Action COSMIC WISPers (CA21106) - 3rd Training School of the COST Action COSMIC WISPers (CA21106) {\textemdash} PoS(COSMICWISPers2025)", year = 2026, volume = "507", pages = "020" }