Materials, accompanying surveys and mapping of Russia in XVIII-XIX centuries, as memorials of history of cartography and as historic-geographic sources : Paper for VIII Intern. conf. on history of cartography / Dr A. V. Postnikov ; USSR Acad. of sciences. Geogr. soc. of the USSR. Moscow branch, Nat. com. of cartographers of the USSR. Commiss. "History of cartography"

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