Husak M, Brajša R, Špoljarić D. 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]. 2021Jun.23 [cited 2024Nov.25];36(3). Available from: https://hrcak.srce.hr/ojs/index.php/rgn/article/view/15822