Dependence of X-ray emission from Europa on solar activity cycle. Indian Journal of Pure & Applied Physics (IJPAP), [S. l.], v. 60, n. 1, p. 16–22, 2023. DOI: 10.56042/ijpap.v60i1.57540. Disponível em: https://or.niscpr.res.in/index.php/IJPAP/article/view/2193. Acesso em: 14 may. 2026.