@book { SelfRealization,
    title = "Self-Realization",
    author = "Horst {Daemmrich}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "New York, United States of America",
    doi = "10.3726/b18275",
    url = "https://www.peterlang.com/document/1140584"
}