Notes of the Imperial Academy of Sciences.T. 27. KN.2.

Notes of the Imperial Academy of Sciences.- St. Petersburg: B. and., 1862. -.I. Academy of Sciences (St. Petersburg).Electronic Source: PBT. 27. KN.2. - [Type.Imp.Academy of Sciences], 1876. - [238] p.section.Pag.: Il., Table .. -Bibliogr.in a substrateNote.And in the text off.Articles..Electronic Source: PB