@book { Elviajeroausente,
    title = "El viajero ausente",
    subtitle = "Jurisprudencia y cultura material en la peregrinación islámica delegada (al-ḥaŷŷ bi-l-niyāba)",
    author = "Sergio {Carro Martín}",
    year = "2023",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b20500",
    url = "https://www.peterlang.com/document/1298584"
}