Documentaire
Тайна вещества (1956)
01/01/1956 (SU) - 50 minutesDistribution
Leonid Khmara
Narrator (voice)
Alexander Mgebrov
(uncredited)
Nikolay Dmitriev
Butlerov (uncredited)
Sergey Evlakhishvili
Pierre Curie (uncredited)
Maryana Safonova
Marie Curie (uncredited)