Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/ Upstream-Name: MatchIt Upstream-Contact: Kosuke Imai Source: https://cran.r-project.org/package=MatchIt Files: * Copyright: 2002-2017 Daniel Ho , Kosuke Imai , Gary King , Elizabeth Stuart , Alex Whitworth License: GPL-2+ Files: debian/* Copyright: 2004-2014 Chris Lawrence License: GPL-2+ License: GPL-2+ It has been placed under the GNU General Public License. On Debian systems, the GPL is included in the file /usr/share/common-licenses/GPL-2.