@misc{Kopylov_Boris_Fedorovič_(18..-19..)_Katalog,
 author={Kopylov, Boris Fedorovič (18..-19..)},
 address={S.-Peterburg},
 howpublished={online},
 publisher={[s.n.]},
 language={rus},
 type={książka},
 title={Katalog monet : monety russkìâ i russko-pol'skìâ, rědkìâ i obyknovennyâ, ih raznovidnosti, stepen rědkosti, sohrannost i cěny. No. 1},
}