@book { TheProblemofNutrition,
    title = "The Problem of Nutrition",
    author = "Josep Lluis {Barona Vilar}",
    year = "2011",
    publisher = "Peter Lang Verlag",
    address = "Bruxelles, Belgium",
    doi = "10.3726/978-3-0352-6003-8",
    url = "https://www.peterlang.com/document/1044006"
}