Qatsh is a Qt 4 port by Jean-Philippe Meuret <jpmeuret@free.fr>
of ATSH, a Gtk 1.2 GUI to the ATS system
by Pablo Di Liscia, Juan Pampin and Pete Moss
<http://musica.unq.edu.ar/personales/odiliscia/software/ATSH-doc.htm>

The source code has 4 components with 4 different licenses :
- the Qt 4 GUI itself, icons excepted, licensed under the GPL 2 or later (see COPYING.txt),
- the icons used in the GUI,
  * the 5 following files are licensed under the GPL 2 or later (see COPYING.txt)
    - qatsh-48.png, qatsh-b48.png, qatsh-b48.ico, 
    - partials-specgram-48.png
    - residual-specgram-48.png
  * all others where taken _as_is_ from the Nuvola 1.0 icon set
    by David Vignoni "Icon King" <http://www.icon-king.com>
    and are released under the LGPL 2 (see icons/COPYING.txt)
- the ATSA library ("atsa" sub-directory), originaly released
  by Pablo Di Liscia, Juan Pampin and Pete Moss
  and slightly modified by Jean-Philippe Meuret (see atsa/CHANGES.txt),
  is released under the ATSA license (see atsa/README.txt)
- the MathExpr 2 expression evaluator by Yann Ollivier <http://www.yann-ollivier.org>
  released the MIT license.