INFESTATION RATE OF BRANCHIOBDELLIDS IN AUSTROPOTAMOBIUS PALLIPES ITALICUS FROM A STREAM OF CENTRAL ITALY: PRELIMINARY RESULTSF. GHERARDI, F. CENNI, G. CRUDELE and M. MORIBull. Fr. Pêche Piscic., 367 (2002) 785-792DOI: https://doi.org/10.1051/kmae:2002066
