On the Determination of the Solar Rotation Elements i, Ω and Period using Sunspot Observations by Ruđer Bošković in 1777. Rud.-geol.-naft. zb. [Internet]. 2021 Jun. 23 [cited 2025 Aug. 20];36(3). Available from: https://ojs.srce.hr/index.php/rgn/article/view/15822