@book { LatareaconjuntadeloshermanosBcquerenElMuseoUniversal18621869,
    title = "La tarea conjunta de los hermanos Bécquer en «El Museo Universal» (1862-1869)",
    author = "Maria-Linda {Ortega}",
    year = "2003",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1096675"
}