Echinida /
Danielssen, D. C.
Echinida / by D. C. Danielssen. - Christiania : Grøndahl, 1892. - 6 p. : ill. ; 37 cm. - The Norwegian North-Atlantic expedition, 1876-1878 = Den Norske Nordhavs-expedition, 1876-1878 ; Zoology = Zoologi .
Echinida / by D. C. Danielssen. - Christiania : Grøndahl, 1892. - 6 p. : ill. ; 37 cm. - The Norwegian North-Atlantic expedition, 1876-1878 = Den Norske Nordhavs-expedition, 1876-1878 ; Zoology = Zoologi .