| Authors(s) | Bjerkan, P. |
| Year | 1957 |
| Title | Notes on the Greenland shark, Acanthorhinus carcharias (Gunn.). 1. The reproduction problem of the Greenland shark. Fiskeridir.Skr., 11(10).1-7 |
| Authors(s) | Bjerkan, P. |
| Year | 1957 |
| Title | Notes on the Greenland shark, Acanthorhinus carcharias (Gunn.). 1. The reproduction problem of the Greenland shark. Fiskeridir.Skr., 11(10).1-7 |