Rosyjski geolog.

Kp. Geologiâ, paragenezis i zapasy rud zarubežnyh mestoroždenij svinca i cinka / pod red. K. Dènhema. - Moskva, 1953. Tł.

RGB online

ru.wikipedia, 04.12.2014 https://ru.wikipedia.org/wiki/%D0%A0%D0%B0%D0%B4%D0%BA%D0%B5%D0%B2%D0%B8%D1%87,_%D0%95%D0%BA%D0%B0%D1%82%D0%B5%D1%80%D0%B8%D0%BD%D0%B0_%D0%90%D0%BB%D0%B5%D0%BA%D1%81%D0%B0%D0%BD%D0%B4%D1%80%D0%BE%D0%B2%D0%BD%D0%B0