Article du Bulletin
Istheznovenie baïbakov i ikh mogily v No-vorossiiskikh stepyakh [Disparition de bobac des steppes de Mongolie et de Novosibirsk. The disappearance of the marmots and their tombs in Mongolia and Novorossyisk steppes].
Калениченко В.И. Калениченко В.И. (Kalenitchenko, Kalenichenko V.I.) · 1860 · Vesth. estestv. Nauk., 26-27.
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Résumé
Novorossyisk (lower course of the river Dnieper. "Wherever you look, everywhere you see small elevations or hillocks which make all the surface of the earth appear undulated".