Vladimir Orlov, Roland Timerbaev, and Anton Khlopkov, Nuclear Nonproliferation in U.S.-Russian Relations: Challenges and Opportunities, PIR Library Series, 2002, p.24 Accessed at "Archive.org"(PDF). Archived from the original(PDF) on 2011-07-27. Retrieved 2010-06-07., 7 June 2010
Vladimir Orlov, Roland Timerbaev, and Anton Khlopkov, Nuclear Nonproliferation in U.S.-Russian Relations: Challenges and Opportunities, PIR Library Series, 2002, p.24 Accessed at "Archive.org"(PDF). Archived from the original(PDF) on 2011-07-27. Retrieved 2010-06-07., 7 June 2010