@book { Frugality,
    title = "Frugality",
    author = "Luk {Bouckaert} and Hendrik {Opdebeeck} and Laszlo {Zsolnai}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Oxford, United Kingdom",
    url = "https://www.peterlang.com/document/1104230"
}