The north ocean, 1ts depths, temperature and circulation /
Mohn, H.
The north ocean, 1ts depths, temperature and circulation / by H. Mohn. - Christiania : Grøndahl, 1887. - 212 p. : ill. ; 37 cm. - The Norwegian North-Atlantic expedition, 1876-1878 = Den Norske Nordhavs-expedition, 1876-1878 ; Zoology = Zoologi .
The north ocean, 1ts depths, temperature and circulation / by H. Mohn. - Christiania : Grøndahl, 1887. - 212 p. : ill. ; 37 cm. - The Norwegian North-Atlantic expedition, 1876-1878 = Den Norske Nordhavs-expedition, 1876-1878 ; Zoology = Zoologi .