@article{NARMS:SourceID:43284, author = {Heller, C.}, journal = {Sitzber. Acad. Wiss. Wien}, issue = {1}, pages = {2-28}, title = {Beitrage zur nahern Kenntniss der Tunicaten}, url = {https://vliz.be/vmdcdata/narms/narms.php?p=sourcedetails&id=43284}, volume = {77}, year = {1878} }