                    GNU GENERAL PUBLIC LICENSE
                       Version 2, June 1991

 Copyright (C) 1989, 1991 Free Software Foundation, Inc.
 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA

 Everyone is permitted to copy and distribute verbatim copies
 of this license document, but changing it is not allowed.

This plugin "Citability Score" is distributed under the terms of the
GNU General Public License, version 2 or (at your option) any later version.

The full text of the GPL v2 license is available at:
  https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
