Povinná literatura: Vanek, Bora, Maruszewska and Kasparkova 2017 (6 stran); Maruszewska, Vanek and Vilamova 2014 (9 stran); Vlcek and Jirusek 2015 (9 stran); Vlcek, Prokopova, Zapletalova and Bendlova 2019 (22 stran); Šafářová a Valeš 2010 (7 stran); Tvrdoň 2010 (13 stran); Szpor and Ziolkowska 2018 (21 stran); Reckova, Recka and Scasny 2017 (21 stran)