@Book{BDCM20214266047, title = "L\textquotesingle art d\textquotesingle \^{e}tre aimable : petit trait\'{e} de savoir-vivre", author = "Julliard, Emile", publisher = "Gen\`{e}ve et Paris : C.-E. Alioth, \'{e}diteur", editor = "C.-E. Alioth, \'{e}diteur", URL = "https://bibliotecavirtualmadrid.comunidad.madrid/bvmadrid_publicacion/es/consulta/registro.do?id=466362", year = "1900", }