Author: Hammen, T. van der, 1951.:
Title: Late-Glacial flora and periglacial phenomena in the Netherlands. [Leid. Geol. Meded., 17(2).]
Description: Leiden. 4to. Pp. viii,71-183, 20 diagrs. (partly fold.), 42 photos, 44 figs., refs. Orig. wrappers. Some traces of use. - Doctoral thesis.

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