THONEY, D.A. (1990)
The effects of trichlorfon, praziquantel and copper sulphate on various stages of the monogenean Benedeniella posterocolpa, a skin parasite of the cownose ray, Rhinoptera bonasus (Mitchill). Journal of Fish Diseases, 13 (5): 385–390
DOI: 10.1111/j.1365-2761.1990.tb00797.x