== References====External links==* CIA slipped bugs to Soviets* Tech sabotage during the Cold War* Did Clay Wilson play an April Fool's joke on Congress?, Rob Rosenberger, 12 July 2005* Soviets Burned By CIA Hackers?
* Газопровод «Уренгой — Помары — Ужгород»* Досье Farewell* Вирус Stuxnet* CIA slipped bugs to Soviets* Tech sabotage during the Cold War* Did Clay Wilson play an April Fool’s joke on Congress?, Rob Rosenberger, 12 July 2005* The Farewell Dossier* BBC "The Farewell dossier"