Marine algae of the Canary Islands especially from Teneriffe and Gran Canaria : IV. Cyanophiceae /
Børgesen, F.
Marine algae of the Canary Islands especially from Teneriffe and Gran Canaria : IV. Cyanophiceae / by F. Børgesen, worked out by P. Frémy - København : Levin & Munksgaard, 1936 - 43 p. : ill. ; 25 cm - Det Kongelige Danske Videnskabernes Selskabs skrifter. Biologiske Meddelelser ; 12, 5 .
Marine algae of the Canary Islands especially from Teneriffe and Gran Canaria : IV. Cyanophiceae / by F. Børgesen, worked out by P. Frémy - København : Levin & Munksgaard, 1936 - 43 p. : ill. ; 25 cm - Det Kongelige Danske Videnskabernes Selskabs skrifter. Biologiske Meddelelser ; 12, 5 .