Summary of magnetic definitions made in Siberia from 1820 to 1918.

Weinberg, B.P.A summary of magnetic definitions made in Siberia from 1820 to 1918 - [Tomsk: B. and., 1920].-70 p.: table .. -Part of the text is for the last.foreign.ulcer.Bibliogr.In the text and subscription.Note .. - Dep.Pull from No. 1 of the Institute of Study Siberia (works of geographer. Department No. 1) Tomsk, 1920. - Ex.: Without Titus.l.and region..1. Territory (collection).Electronic copy source: PBOriginal storage: Tomgu