A.  Wiktor, ?Milacidae (Gastropoda, Pulmonata) - systematic monograph?, Annales Zoologici, vol. 41, pp. 153-319, 1987.

A.  Wiktor and Milani, N., ?Contribution to the knowledge of two scarcely known Alpine slugs, Tandonia simrothi (Hesse, 1923) and Deroceras planaroides (Simroh, 1910)?, Malakologische Abhandlungen, vol. 17, pp. 151-169, 1995.

A.  Wiktor, ?The slugs of the former Yugoslavia (Gastropoda terrestria nuda - Arionidae, Milacidae, Limacidae, Agriolimacidae)?, Annales Zoologici, vol. 46, pp. 1-110, 1996.