@book { AnInternationalNutritionIndex,
    title = "An International Nutrition Index",
    subtitle = "Concept and Analyses of Food Insecurity and Undernutrition at Country Levels",
    author = "Doris {Wiesmann}",
    year = "2004",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1097111"
}