@book{
title = {Wasser},
author = {Walter, Gisela},
editor = {998045071808896 - Die Elemente im Kinderalltag / Gisela Walter -  },
year = {2004},
edition = {15. Aufl},
address = {Freiburg im Breisgau [etc.] },
publisher = {Herder},
}