Stehlíková J. The corona crisis, data protection and tracking apps in the EU: the Czech and Austrian COVID-19 mobile phone apps in the battle against the virus. CJIR [Internet]. 2021 Mar. 1 [cited 2024 May 19];56(1):35-67. Available from: https://cjir.iir.cz/index.php/cjir/article/view/62