@Book{BMDB20180010095, title = "L\textquotesingle \'{e}conomie de combustible dans les usines de force motrice utilisant le chauffage a la main", publisher = "Paris : Dunot", editor = "Dunot", URL = "https://bibliotecavirtual.defensa.gob.es/BVMDefensa/es/consulta/registro.do?id=44180", year = "1920", }