Aer, A. (1995). Patents in imperial Russia: A history of the Russian institution of invention privileges under the old regime.
Chicago-viite (17. p.)Aer, Anneli. Patents in Imperial Russia: A History of the Russian Institution of Invention Privileges Under the Old Regime. Helsinki, 1995.
MLA-viite (9. p.)Aer, Anneli. Patents in Imperial Russia: A History of the Russian Institution of Invention Privileges Under the Old Regime. 1995.
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