Author: Amrein, W., 1939.:
Title: Urgeschichte des Vierwaldstätter Sees.
Description: Mitt. Naturf. Ges. Luzern, 13: pp. 1-184, 1 large fold. map in pocket, 15 pls. of photos, many drawings in 37 figs., bibl., geogr. index. Orig. wrs.

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