Author: Hammen, L. van der, 1968.:
Title: The gnathosoma of Hermannia convexa (E.L. Koch) (Acarida: Oribatina) and comparative remarks on its morphology in other mites. [Zool. Verh., 94.]
Description: Leiden: E.J. Brill, 1968. 8vo, 23.8cm. Pp. 45, 12 figs., refs. Paperbound, wrappers retaining original printed front cover. Very good.

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