Alderia modesta (Gastropoda, Sacoglossa) in northern Norway
Vader, W. (1981). Alderia modesta (Gastropoda, Sacoglossa) in northern Norway. Fauna Norv. (Ser. A) 2: 41-46
In: Fauna Norvegica. Series A. Stiftelsen for naturforskning og kulturminneforskning: Oslo. ISSN 0332-768X, meer
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