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Outstanding Pulkovo latitude observers Lidia Kostina and Natalia Persiyaninova. (arXiv:1912.05613v1 [astro-ph.IM]) http://arxiv.org/abs/1912.05613
Outstanding Pulkovo latitude observers Lidia Kostina and Natalia Persiyaninova. (arXiv:1912.05613v1 [astro-ph.IM]) http://arxiv.org/abs/1912.05613