Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
Source: https://hackage.haskell.org/package/erf

Files: *
Copyright: 2009-2011, Lennart Augustsson
License: BSD-3
 On Debian GNU/Linux systems, the complete text of the BSD license may be found
 in /usr/share/common-licenses/BSD.