@article{ERMS:SourceID:138939, author = {Szymanski, M.}, journal = {Zoologischen Anzeiger}, pages = {445-449}, title = {Zur Anatomie und Systematik der Hornschwämme des Mittelmeeres}, url = {http://www.marbef.org/data/aphia.php?p=sourcedetails&id=138939}, volume = {27}, year = {1904} }