Author: Verschaffelt, F., 1929.:
Title: Bijdrage tot de kennis der Nederlandse zoet- en brakwaterprotozoën.
Description: Ledeberg/Gent: Erasmus, 1929. 8vo. Pp. viii,198,[2], 1 fold. map, 14 figs. on 1 fold. plate, tables in text, bibliogr., index. Paperbound, orig. wrappers. Very good. - Doctoral thesis, University of Amsterdam.

Keywords: