This was downloaded from CPAN
<http://search.cpan.org/dist/Geo-HelmertTransform/>

The upstream author is: 
Written by Chris Lightfoot, team@mysociety.org

Copyright (c) 2005 UK Citizens Online Democracy.

This module is free software; you can redistribute it and/or modify it under
the same terms as Perl itself.

Perl is distributed under your choice of the GNU General Public License or
the Artistic License.  On Debian GNU/Linux systems, the complete text of the
GNU General Public License can be found in `/usr/share/common-licenses/GPL'
and the Artistic Licence in `/usr/share/common-licenses/Artistic'.