@book{
title = {Einstein: ist alles relativ?},
author = {Fenn, Sibylle  <von de>},
editor = {Mondello, Mariano},
editor = {Weerning, Marion},
editor = {Versione semplificata ad uso scolastico },
editor = {Con apparato didattico },
year = {1993},
address = {Genova },
publisher = {Cideb},
}