Windsor, Philip ; Roberts, Adam, Czechoslovakia 1968: Reform, Repression and Resistance , London, Chatto and Windus (for the Institute of Strategic Studies), 1969, pp. 200 The first half by Windsor explores the broad context and reasons for the Soviet invasion; Roberts (pp. 97-143) assesses the resistance drawing on the BBC monitoring service reports and interviews. Key documents relating to the invasion are included in appendices.