Author

M. Kamensky

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Cover of Preparative table of time determination by method of equal altitudes of different stars, for the north latitudes 20-40and for the epoch 1930.0 by M. Kamensky

Preparative table of time determination by method of equal altitudes of different stars, for the north latitudes 20-40and for the epoch 1930.0

About M. Kamensky

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