Dear all, I am looking for the following citations (if you have one of these works please contact me):

Gibson R. (2005) Nemertina DB. Liverpool, UK: John Moore University.

Gibson R. (2001) Nemertini (Nemertae). In Costello M.J., Emblow C. and

White R.J. (eds) European register of marine species: a check- list of the

marine species in Europe and a bibliography of guides to their identifi-

cation. Collection Patrimoines Naturels, 50. Paris: Muse´um National

d’Histoire Naturelle, pp. 152–156.