@book { AWorldApartbyGustawHerling,
    title = "«A World Apart»  by Gustaw Herling",
    author = "Wlodzimierz {Bolecki}",
    year = "2015",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-05460-6",
    url = "https://www.peterlang.com/document/1046536"
}