Операция «Гелий»
January 1, 1991
1
5
RU
On the example of the history of the discovery of the "solar substance" Helium, the history of the most important discoveries in the field of physics and chemistry of the early XX century is given.
Season 1
5 episodes
January 1, 1991
Semyon Raytburt
N/A
Tsentrnauchfilm
SU
TO Orbita
SU
