http://www.cbsnews.com/stories/2011/07/19/earlyshow/main20080633.shtml
http://af.reuters.com/article/metalsNews/idAFLDE76J1A520110720?sp=true
http://english.ruvr.ru/2011/06/18/52031497.html
http://www.lipolitics.com/nasa-and-nukes.htm
http://www.nytimes.com/2011/07/21/science/earth/21nuke.html?src=recg
http://www.commondreams.org/headline/2011/07/21-2
http://online.wsj.com/article/SB1000142405270230366190457645214409022545...