@book { TheBurdenofChoice, title = "The Burden of Choice", subtitle = "Czech Foreign Policy between Principles and Interests", author = "Sárka {Waisová}", year = "2012", publisher = "Peter Lang Verlag", address = "Berlin, Germany", doi = "10.3726/978-3-653-01537-9", url = "https://www.peterlang.com/document/1046706" }