Preliminary work report .... 1921

Olonetsk scientific expedition (1919-1927).Preliminary report on the work ... / Ros.Hydrological in-t.- Petrograd: B., 1921. -.I. Hydrological Institute (Leningrad).Electronic Source: PB1921 / Sost.nachExpeditions G.Yu.Vereshchagino together with CHL.HER: I.N.Arnold, K.N.Davydov, A.M.Dyaconov et al. - [Type.Ros.hydrologist.In-Ta], 1923. -73 s.: Tab .. -Before talked.on tit.l.and region: № 69.Tit.l.Paral.to rus.and fr.Yaz.;Summary on it.Yaz.Bibliogr.in a substrateNote..-500 cop..I. Davydov, K.N. II.Dyakonov, A.M. III.Vereshchagin, G.Yu .. IV.Arnold, I.N ..Electronic Source: PB