TY  - JOUR
A1  - Söderström, Adolf
JO  - [published thesis]
N1  - World Polychaeta Database (WPolyDb). Not known to be online.
C1  - Uppsala University, printed Almquist and Wicksells, 286 pp.
TI  - Studien über die Polychätenfamilie Spionidae
UR  - https://vliz.be/projects/ocean-ukraine/aphia.php?p=sourcedetails&id=51792
PY  - 1920
Y2  - 2026-10-17
ER  -