Author: Koppelhus, E.B., & Batten, D.J., 1992.:
Title: Megaspore assemblages from the Jurassic and lowermost Cretaceous of Bornholm, Denmark.
Description: [Danmarks Geol. Unders., Ser. A, 32.] Copenhagen. 4to. Pp. 81, many microphotos on 21 pls., 5 figs.,r efs. Orig. wrs.

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