Tůma, Oldřich
Reforms in the Communist Party. The Prague Spring and apprehension about a Soviet invasion.
The Prague Spring and the Warsaw pact invasion of Czechoslovakia in 1968. Lanham: Lexington Books, 2010 - (Bischof, G.; Karner, S.; Ruggenthaler, P.), s. 61-74. The Harvard Cold War studies book series. ISBN 978-0-7391-4304-9
Grant CEP: GA ČR GA409/07/1649
http://hdl.handle.net/11104/0197968