On the Determination of the Solar Rotation Elements i, Ω and Period using Sunspot Observations by Ruđer Bošković in 1777. Rudarsko-geološko-naftni zbornik, [S. l.], v. 36, n. 3, 2021. DOI: 10.17794/rgn.2021.3.6. Disponível em: https://ojs.srce.hr/index.php/rgn/article/view/15822. Acesso em: 20 aug. 2025.