@book { Populationthestateandnationalgrandeur,
    title = "Population, the state, and national grandeur",
    author = "Paul-André {Rosental}",
    year = "2018",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    doi = "10.3726/b14830",
    url = "https://www.peterlang.com/document/1063068"
}