Freshwater sponges (Porifera: Spongillidae) of Norway: distribution and ecology
Økland, K.A.; Økland, J. (1996). Freshwater sponges (Porifera: Spongillidae) of Norway: distribution and ecology. Hydrobiologia 330(1): 1-30. https://hdl.handle.net/10.1007/bf00020819
In: Hydrobiologia. Springer: The Hague. ISSN 0018-8158; e-ISSN 1573-5117, more