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Harald Gordon Skilling (1981) Charter 77 and human rights in Czechoslovakia, London, Allen & Unwin.
What Can We Expect of Charter 77?
Jan Patočka
pp. 220-223
Not implemented yet !
(1977) "Co můžeme očekávat od Charty 77?", in: Vladislav Jan, Jan Patočka, Praha, Kvart, pp.22-25.