Foster, Anthony, and William Wallace. "
What is NATO for."
Survival 43, no. 4 (2001): 107-122.
Zubok, Vladislav M.. "
Why did the Cold War End in 1989? Explanation of ‘The Turn"." In
Reviewing the Cold War. Approaches, Interpretation, Theory. London: Frank Cass, 2001.
The World Fact Book: Afghanistan. U.S. Central Intelligence Agency, 2001.