Adrian Cioroianu, Pe umerii lui Marx. O introducere în istoria comunismului românesc ("On the Shoulders of Marx. An Incursion into the History of Romanian Communism"), Editura Curtea Veche, Bucharest, 2005
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In the early 1930s, he studied at the Deutsche Technische Hochschule in Brno, Czechoslovakia, where he met other two Romanian communist activists, Valter Roman and Gabriel Mureşan.