Manganelli, G.; Giusti, F. (1993). Notulae Malacologiae XLIX. Third contribution to the revision of the Oxychilus-species living in the Italian Apennine regions: New data on the systematics and distribution of O. clarus (Held), O. majori (Westerlund) and O. uziellii (Issel). Archiv für Molluskenkunde. 121(1): 67-78.
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Manganelli, G.; Giusti, F.
1993
Notulae Malacologiae XLIX. Third contribution to the revision of the Oxychilus-species living in the Italian Apennine regions: New data on the systematics and distribution of O. clarus (Held), O. majori (Westerlund) and O. uziellii (Issel)