However, REGNUM has since ceased cooperation with him following a conflict over Dyukov's statements in the Russian and Estonian media that his Historical Memory Foundation was primarily responsible for these publications.

[5][clarification needed] One of Dyukov's spheres of interest is the history of Soviet repression, mostly in the Baltic states[6] and Ukraine, and more recently, he has written a controversial paper downplaying the massacres at Kurapaty in Belarus.

[8] It is these FSB archives which Dyukov uses, for example, to claim in his recent book, The Genocide Myth, that Estonia's recollection of Soviet repressions including deportations is exaggerated.

[9] In a 2007 interview with Russia's REGNUM News Agency, Dyukov claimed that some Estonian historians were repeating false claims by the Nazi propaganda and said: "Another example of unfair approach by Estonian official historians is that in describing the deportation of 14 June 1941, they always mention that the deportees were transported in stock cars, with each car stuffed to 40-50 people, including women, children and the elderly.

However, if we turn to the NKVD documents, a fair amount of which has already been published, one finds that, firstly, the transportation of deportees was carried out in passenger cars 'equipped for summer human traffic.'

"[10] In reaction to Dyukov's book, the newspaper Eesti Ekspress in Estonia denounced him as a revisionist historian who paints a picture of Soviet political repressions as "little worse than a family picnic".