Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/ Upstream-Name: maps Upstream-Contact: Alex Deckmyn Source: https://cran.r-project.org/web/packages/maps/index.html Files: * Copyright: 2001-2017 Richard A. Becker, Allan R. Wilks, Ray Brownrigg, Thomas P Minka, Alex Deckmyn License: GPL-2 Files: debian/* Copyright: 2004-2016 Chris Lawrence , License: GPL-2 License: GPL-2 On Debian systems, the GPL is included in the file /usr/share/common-licenses/GPL-2.