FAO Species catalogue
Roper, Clyde F. E. ; Sweeney, Michael J. ; Nauen, Cornelia E.
FAO Species catalogue Cephalopods of the world - 1984 - 3v. viii 277p.
FAO fisheries synopsis no- 125
FAO Species catalogue Cephalopods of the world - 1984 - 3v. viii 277p.
FAO fisheries synopsis no- 125