| Authors(s) | Eisen, G. |
| Year | 1879a |
| Title | On the Oligochaeta collected during the Swedish expeditions to the arctic regions in the years 1870, 1875 and 1876. Kongliga Svenska Vetenskaps-Akademiens Handlingar 15(7): 1-49. |
| Authors(s) | Eisen, G. |
| Year | 1879a |
| Title | On the Oligochaeta collected during the Swedish expeditions to the arctic regions in the years 1870, 1875 and 1876. Kongliga Svenska Vetenskaps-Akademiens Handlingar 15(7): 1-49. |