@incollection{gledocs_11858_7118, author = {Reitner, Joachim}, editor = {Reitner, Joachim}, title = {Phylogenetic aspects and new descriptions of Spicule-Bearing, Hadromerid Sponges with a secondary calcareous skeleton (Tetractinomorpha, Demospongiae)}, booktitle = {Fossil and recent sponges}, year = {1991}, publisher = {Springer}, publisher = {Berlin [u.a.]}, note = { \url {http://resolver.sub.uni-goettingen.de/purl?gldocs-11858/7118}}, }