@book { OrtegaylaEscueladeMarburgo,
    title = "Ortega y la Escuela de Marburgo",
    author = "Dorota {Leszczyna}",
    year = "2020",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b16912",
    url = "https://www.peterlang.com/document/1058418"
}