Description |
Artillery Observatory.April 25, 1916: [Figure] / A.N.Semenov.- 1916. -2_3433 1 / 2_3433 2..Electronic Source: PB
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Description |
Artillery Observatory.April 25, 1916: [Figure] / A.N.Semenov.- 1916. -2_3433 1 / 2_3433 2..Electronic Source: PB
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