@book { BabaYaga,
    title = "Baba Yaga",
    subtitle = "The Ambiguous Mother and Witch of the Russian Folktale",
    author = "Andreas {Johns}",
    year = "2004",
    publisher = "Peter Lang Verlag",
    address = "New York, United States of America",
    url = "https://www.peterlang.com/document/1098532"
}