The reference is bad. The images are available here, a US DOE publication: http://www.gen-4.org/PDFs/GenIVRoadmap.pdf There is no copyright on this document.
They are also here: http://www.gen-4.org/Technology/roadmap.htm Which requires permission to re-use.
--Uncleharpoon (talk) 18:50, 29 December 2013 (UTC)
