"Appendix B. Imprisoned members of the Helsinki monitoring groups in the USSR and Lithuania". Implementation of the Final Act of the Conference on Security and Cooperation in Europe: findings and recommendations seven years after Helsinki. Report submitted to the Congress of the United States by the Commission on Security and Cooperation in Europe. November 1982. Washington, D.C.: U.S. Government Printing Office. 1982. pp. 250–251. Archived from the original(PDF, immediate download) on 22 December 2015.
"Appendix B. Imprisoned members of the Helsinki monitoring groups in the USSR and Lithuania". Implementation of the Final Act of the Conference on Security and Cooperation in Europe: findings and recommendations seven years after Helsinki. Report submitted to the Congress of the United States by the Commission on Security and Cooperation in Europe. November 1982. Washington, D.C.: U.S. Government Printing Office. 1982. pp. 250–251. Archived from the original(PDF, immediate download) on 22 December 2015.