@book { TheQuestfortheNationalInterest, title = "The Quest for the National Interest", subtitle = "A Methodological Reflection on Czech Foreign Policy", author = "Petr {Drulák} and Mats {Braun}", year = "2010", publisher = "Peter Lang Verlag", address = "Berlin, Germany", url = "https://www.peterlang.com/document/1136229" }