Richelson, Jeffrey Richelson. U.S. Intelligence and the Indian Bomb. The National Security Archive, The George Washington University. Published through National Security Archive Electronic Briefing Book No. 187. [24 January 2012]. (原始内容存档于28 February 2015).
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Richelson, Jeffrey Richelson. U.S. Intelligence and the Indian Bomb. The National Security Archive, The George Washington University. Published through National Security Archive Electronic Briefing Book No. 187. [24 January 2012]. (原始内容存档于28 February 2015).