1. C code

Source code for maps and map projections, included in 
the Plan 9 distribution at: http://plan9.bell-labs.com/plan9/download.html
(sys/src/cmd/map/), downloaded November 1, 2009 by Roger Bivand.

Copyrighted and licensed by Lucent Technologies Inc., see
http://plan9.bell-labs.com/plan9dist/license.html. All changes marked to
satisfy requirement 3 C. The statement:

Copyright (C) 2003, Lucent Technologies Inc. and others. All Rights Reserved.

is included in file map.h to satisfy requirement 3 B.

2. R interface: 

The R interface code has been developed as work based on the Lucent
Public License Version 1.02 licensed code. It is made available under both 
the Plan 9 license and GPL (>= 2).