X-Git-Url: http://git.kpe.io/?p=ctsim.git;a=blobdiff_plain;f=COPYING;h=5f278b6861cad6c69879d50098616739d38ea72f;hp=d60c31a97a544b53039088d14fe9114583c0efc3;hb=0219ede69e1c3afc6e160b8f276bfd4617acbc08;hpb=13838bda88b63a2535b5baaf7197006767de4b8e

diff --git a/COPYING b/COPYING
index d60c31a..5f278b6 100644
--- a/COPYING
+++ b/COPYING
@@ -1,3 +1,10 @@
+CTSim is covered by the GNU GPL stated below. Additionally, the Herman
+Phantom defined in libctsim/phantom.cpp is copyright by Gabor
+T. Herman, Ph.D.  Dr. Herman has granted permission for use of the his
+phantom in CTSim and derivative software products. However, any print
+or web publication of his phantom requries his explicit approval.
+
+
 		    GNU GENERAL PUBLIC LICENSE
 		       Version 2, June 1991