Some issues of study permafrost

Parkhomenko, S.Some issues of study of permafrost = Quelques Questions Sur L'Etude du Processus Pagologique.- Moscow: ed.Hydrometeorologist.com.USSR and RSFSR, 1932. -3-15 s .. -([second international] polar year).-Region.on Russian.and fr.ulcer.Part of the text on the fr.ulcer.Ex.: Without Titus.l..1. Territory (collection).Electronic copy source: PBOriginal storage location: Ban RAS