Author: Bless, M.J., 1968.:
Title: On two hollinid ostracode genera from the Upper Carboniferous of Northwestern Spain.
Description: Leiden 1968. 4to.. Pp. viii,157-212, 95 photos on 10 plates, 49 figs., refs. Orig. wtappers. - Doctoral thesis. Printed separately from Leid. Geol. Meded. vol. 43.

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