title: A piece of the picture--misunderstanding of chemical concepts.
authors.affiliation: Max-Planck-Institute for Solid State Research, Heisenbergstrasse 1, 70569 Stuttgart, Germany. m.jansen@fkf.mpg.de
authors.forename: Martin
authors.initials: M
authors.lastname: Jansen
authors.forename: Ulrich
authors.initials: U
authors.lastname: Wedig