Authors/editors
With contributions by Markus Steffen, Martina Koch, Rahel Bühler, Xavier Conus, Antonin Zurbuchen, Morgane Kuehni, Natalie Benelli, Spartaco Greppi, Peter Streckeisen, Konstantin Kehl, Sergio Gemperle, Meret Reiser, Anita Weber.
maintenance - there might appear some errors
