Znachenie iskoraemikh steblei morskikh lilii dlia stratigrafii devona i karbona Tsentralnogo Kazakhstana [Significance of crinoid stems for the Devonian and Carboniferous stratigraphy of central Kazakhstan] In Sbornik statei Materialy po geologii i poleznym iskopaemym Altaia i Kazakhstana [Collected articles on materials on the geology and mineral resources of Altay and Kazakhstan] - 1960