| Authors(s) | Terhivuo, J. |
| Year | 1991 |
| Title | Dichogaster bolaui (Michaelsen) (Octochaetidae) - an allochthonous oligochaet invading urban sewer system. Memoranda Societatis pro Fauna et Flora Fennica 67: 61-65. |
| Authors(s) | Terhivuo, J. |
| Year | 1991 |
| Title | Dichogaster bolaui (Michaelsen) (Octochaetidae) - an allochthonous oligochaet invading urban sewer system. Memoranda Societatis pro Fauna et Flora Fennica 67: 61-65. |