Bigelow, H.B.; Sears, M. (1937). Siphonophorae. Report on the Danish Oceanographical Expeditions 1908-1910 to the Mediterranean and adjacent Seas, 2. Biology(H.2). Andr. Fred. Høst & Søn: Copenhagen. 144 pp.
Deel van: Report on the Danish Oceanographical Expeditions 1908-1910 to the Mediterranean and adjacent Seas., meer
