Pokorenie Sibiri : mify i realʹnostʹ /
Verkhoturov, D. N.(Dmitriĭ Nikolaevich)
Moskva : Olma-Press,
2005.
"Dokumentalʹno-istoricheskoe izdanie"--Colophon.
Includes bibliographical references (p. 349-[350]).
Ermak, -1585