@book { PoliticalLeadershipStructureConsciousnessEmotions,
    title = "Political Leadership:  Structure – Consciousness – Emotions",
    author = "Filip {Pierzchalski}",
    year = "2023",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b20710",
    url = "https://www.peterlang.com/document/1336613"
}