Mark Kramer, "The Dialectics of Empire: Soviet Leaders and the Challenge of Civil Resistance in East-Central Europe, 1968–91", in Adam Roberts and Timothy Garton Ash (eds.), Civil Resistance and Power Politics: The Experience of Non-violent Action from Gandhi to the Present, Oxford University Press, 2009 pp. 108–109Archived 20 March 2017 at the Wayback Machine.
Mark Kramer, "The Dialectics of Empire: Soviet Leaders and the Challenge of Civil Resistance in East-Central Europe, 1968–91", in Adam Roberts and Timothy Garton Ash (eds.), Civil Resistance and Power Politics: The Experience of Non-violent Action from Gandhi to the Present, Oxford University Press, 2009 pp. 108–109Archived 20 March 2017 at the Wayback Machine.
"Wilson Center Digital Archive". Digitalarchive.wilsoncenter.org. 24 August 1991. Archived from the original on 14 November 2021. Retrieved 4 December 2021.
"Wilson Center Digital Archive". Digitalarchive.wilsoncenter.org. 24 August 1991. Archived from the original on 14 November 2021. Retrieved 4 December 2021.