MAREK, Karel and Edita HAINIS. Current legal regulation and perspectives of conclusion of business contracts in Czech Republic and Slovak Republic. Naukovyj visnyk Užgorodskogo nacional'nogo universytetu. Serija Pravo. Užgorod: Poligrafcentr "Lira", 2008, vol. 2008, Vyp. 9, p. 378-383.