Author: Beissel, I., 1865.:
Title: Ueber die Bryozoen der Aachner Kreidebildung.
Description: [Natuurk. Verh. Holland. Maatsch. Wet., 2e Verz., 22.] Haarlem: Loosjes. 4to. Pp. 92, 131 figs. on 10 fine tinted lithogr. pls. Orig. flexible plain blue boards. Spine neatly mended with matching old paper, fine otherwise. - Classic monograph on Cretaceous bryozoa.

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