@book{
title = {Achtung, fertig, Baustelle! },
author = {},
editor = {Ossenkop, Heike},
editor = {Regös, Ferenc B},
editor = {Toyka, Rolf},
year = {2015},
edition = {6. Aufl.},
address = {Hildesheim },
publisher = {Gerstenberg},
}