@Book{BDCM20215550978, title = "La gran conspiraci\'{o}n contra Rusia", author = "Sayers, Michael", publisher = "Paris : Nuestro Pueblo", editor = "Nuestro Pueblo", URL = "https://bibliotecavirtualmadrid.comunidad.madrid/bvmadrid_publicacion/es/consulta/registro.do?id=594855", year = "1948", }