Gittenberger, E. (1989). Additional data concerning the systematics and the remarkable ranges of three species of landsnails, known from Sintra. Publ. Ocas. Soc. Port. Malac., 13: 13-16.
293919
Gittenberger, E.
1989
Additional data concerning the systematics and the remarkable ranges of three species of landsnails, known from Sintra