Notes of the Imperial Academy of Sciences.T. 47. KN.one

Notes of the Imperial Academy of Sciences.- St. Petersburg: B. and., 1862. -.I. Academy of Sciences (St. Petersburg).Electronic Source: PBT. 47. KN.1: Fig.Honorary Gold Medal Graph D.A.Tolstoy.- [A type.Imp.Academy of Sciences], 1883. - [404] p.section.Pag.: Il., Table .. -Bibliogr.in a substrateNote.And in the text off.Articles..I. Tolstoy, D.A.Electronic Source: PB