@book { NeagoeBasarabPrincepsChristianus,
    title = "Neagoe Basarab – Princeps Christianus ",
    author = "Mihai-D. {Grigore}",
    year = "2015",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-05771-3",
    url = "https://www.peterlang.com/document/1049528"
}