Murphy, P.M. & Learner, M.A. 1982. The life history and production of the leech Erpobdella octoculata (Hirudinea Erpobdellidae) in the River Ely, South Wales.
J.Anim.Ecol. 51:57–67.
142073
Murphy, P. M.; Learner, M. A.
1982
The life history and production of the leech Erpobdella octoculata (Hirudinea Erpobdellidae) in the River Ely, South Wales