Krichagin, N.A. (1877). Otchet' ob' ekskursii na Sv. bereg' Chernago morya soverskennoi po pozucheniyu Kievskago obshchestva estestvois'pytatelei letom' 1874 g. [Report on an excursion to the Holy Coast of the Black Sea carried out at the request of the Kiev Society of Naturalists in the summer of 1874.]. Zapiski Kiyevskago Obshchestva Estestvoispytatelei (Mémoires de la Société des Naturalistes de Kiev). 5(1):1-56, pls. 1-4.
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Krichagin, N.A.
1877
Otchet' ob' ekskursii na Sv. bereg' Chernago morya soverskennoi po pozucheniyu Kievskago obshchestva estestvois'pytatelei letom' 1874 g. [Report on an excursion to the Holy Coast of the Black Sea carried out at the request of the Kiev Society of Naturalists in the summer of 1874.]
Zapiski Kiyevskago Obshchestva Estestvoispytatelei (Mémoires de la Société des Naturalistes de Kiev)
