"1945 - 1989" . . . . "Europe, Eastern" . . . . . . . "Trip report, a visit to Eastern Europe in the wake of the 27th Soviet Party Congress and the Chernobyl nuclear accident (Czechoslovakia, Hungary, Yugoslavia, and Romania) on June 28, 1986 a report to the Committee on Foreign Relations, United States Senate"@en . . . . . . . . . . "Trip report, a visit to Eastern Europe in the wake of the 27th Soviet Party Congress and the Chernobyl nuclear accident (Czechoslovakia, Hungary, Yugoslavia, and Romania) on June 28, 1986 : a report to the Committee on Foreign Relations, United States Senate"@en . . . . "Since 1945" . .