Lichtsonate in D-MollChristiane Neudecker, Peter Zitzmann, Barbara Fahrner, Susanne Nickel, Oskar Bernhard, Johannes Häfner · First published 2013Open the Tome
Mathematik Neu DenkenAlbrecht Beutelspacher, Rainer Danckwerts, Gregor Nickel, Susanne Spies, Gabriele Wickel · First published 2011Open the Tome
