@book { EncounterswithIsaiahBerlin,
    title = "Encounters with Isaiah Berlin",
    author = "Andrzej {Walicki}",
    year = "2012",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-00787-9",
    url = "https://www.peterlang.com/document/1044445"
}