Echinoderida /
Lang, Karl
Echinoderida / by Karl Lang. - Stockholm : Norstedt & Soner, 1949. - 22 p. : ill. ; 25 cm. - Further zoological results of the Swedish Antarctic Expedition, 1901-1903 ; 4.2 .
Echinoderida / by Karl Lang. - Stockholm : Norstedt & Soner, 1949. - 22 p. : ill. ; 25 cm. - Further zoological results of the Swedish Antarctic Expedition, 1901-1903 ; 4.2 .