@misc{
title = {Lustige Formen },
author = {},
editor = {Hemme, Carda},
editor = {Weiss, Thomas A.},
editor = {Dati dal contenitore },
editor = {Età: dai 3 ai 6 anni },
year = {1990},
address = {Ravensburg },
publisher = {Ravensburger},
}