To cite package ‘surfaceuv’ in publications use: Aphalo P (2024). _surfaceuv: Solar Ultraviolet at Ground Surface Data Import_. R package version 0.1.1.9001, . A BibTeX entry for LaTeX users is @Manual{, title = {surfaceuv: Solar Ultraviolet at Ground Surface Data Import}, author = {Pedro J. Aphalo}, year = {2024}, note = {R package version 0.1.1.9001}, url = {https://github.com/aphalo/surfaceuv}, }