Schröder, F. (1984). Trochoidea (Xerocrassa) caroli (Dohrn & Heynemann, 1862) and its races on the Pityusic Islands (Baleares) Spain. In: Kuhbier H., Alcover J. A. & Guerau D'Arellano, T. (Eds.). Biogeography and ecology of the Pityusic Islands. Lancaster, The Hague. pp. 243-264.
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Schröder, F.
1984
<i>Trochoidea (Xerocrassa) caroli</i> (Dohrn & Heynemann, 1862) and its races on the Pityusic Islands (Baleares) Spain. In: Kuhbier H., Alcover J. A. & Guerau D'Arellano, T. (Eds.). <i>Biogeography and ecology of the Pityusic Islands</i>. Lancaster, The Hague. pp. 243-264.