Operation «Helium»
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.
Operation «Helium»
January 1, 1991
0
ratings
0
reviews
0
video reviews
Cast (0)
No data availableCrew (1)
Directing
Semyon Raytburt
Director