Reference

Agata Banaszek, M. Ratkiewicz, Stanislaw Fedyk, K.A. Szalaj, W. Chetnicki (1996): The chromosomes ans isoenzymes in marginal populations of the Common shrew (Sorex araneus) in the Vistula delta – Mammalian Biology (früher Zeitschrift für Säugetierkunde) – 61: 65 - 72.