Copyright for libtext-bibtex-perl source package in Bionic

Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Upstream-Name: Text-BibTeX
Upstream-Contact: Alberto Manuel Brandão Simões 
Source: https://metacpan.org/release/Text-BibTeX

Files: *
Copyright: 1996-2000, Greg Ward 
License: Artistic or GPL-1+

Files: btparse/*
Copyright: 1996-1999, Gregory P. Ward
License: LGPL-2+

Files: btparse/progs/args* btparse/progs/biblex.c
 btparse/progs/bibparse.c btparse/tests/simple_test.c
Copyright: 1996-97, Gregory P. Ward
License: GPL-2+

Files: btparse/progs/getopt*
Copyright: 1987-1994, Free Software Foundation, Inc.
License: LGPL-2+

Files: debian/*
Copyright: 2006, 2009, Bas Zoetekouw 
 2011-2017, gregor herrmann 
 2012, David Bremner 
 2015-2016, Lucas Kanashiro 
License: Artistic or GPL-1+

License: Artistic
 This program is free software; you can redistribute it and/or modify
 it under the terms of the Artistic License, which comes with Perl.
 .
 On Debian systems, the complete text of the Artistic License can be
 found in `/usr/share/common-licenses/Artistic'.

License: GPL-1+
 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation; either version 1, or (at your option)
 any later version.
 .
 On Debian systems, the complete text of version 1 of the GNU General
 Public License can be found in `/usr/share/common-licenses/GPL-1'.

License: GPL-2+
 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation; either version 2, or (at your option)
 any later version.
 .
 On Debian systems, the complete text of version 2 of the GNU General
 Public License can be found in `/usr/share/common-licenses/GPL-2'.

License: LGPL-2+
 This library is free software; you can redistribute it and/or modify
 it under the terms of the GNU Library General Public License as published 
 by the Free Software Foundation; either version 2 of the License, or (at 
 your option) any later version.
 .
 On Debian systems, the complete text of version 2 of the GNU Library 
 General Public License can be found in `/usr/share/common-licenses/LGPL-2'.