Author: Pejler, Birger.
Title: Taxonomical and ecological studies on planktonic Rotatoria from Northern Swedish Lapland.
Description: Stockholm, 1957. 2 vols. 68,52 pp. 52 i;;s. Soft cover. (Kungl. Svenska Vetensk. Handl.,Band 6. Nr. 5 & 7).

Keywords: Hydrobiology Hydrobiologie