@book { KeizervereringinhetGriekseOosten,
    title = "Keizerverering in het Griekse Oosten",
    author = "Paul {Wierda}",
    year = "2009",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783640360895",
    url = "https://www.hausarbeiten.de/document/129093"
}