Roßmann J, Gummer T, Kaczmirek L. Working with User Agent Strings in Stata: The parseuas Command. J. Stat. Soft. [Internet]. 2020 Feb. 18 [cited 2024 May 6];92(1):1-16. Available from: https://www.jstatsoft.org/index.php/jss/article/view/v092c01