@book { TumourHypoxia,
    title = "Tumour Hypoxia",
    author = "Silvia {Pastorekova} and Juraj {Kopacek}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1109024"
}