Czechoslovakia and the Brezhnev doctrine / 
prepared by the Subcommittee on National Security and International Operations (Pursuant to S.Res. 24, 91st Cong.). 
 - Washington :  U.S. Govt. Print. Off.,  1969. 
 - 61 p. ;  24 cm. 
<br/><br/><label>Subjects--Index Terms: </label>Czechoslovakia -- Politics and government -- 1968-1989. Czechoslovakia -- History -- Intervention, 1968. Brezhnev, Leonid Il'ich, -- 1906-1982. Sovereignty. Communist parties.