@article{Oka2008,
  author    = {Asajiro Oka},
  title     = {{\"U}ber eine neue Gattung von S{\"u}ßwasserbryozoen : (Stephanella n.g.)},
  journal   = {Annotationes zoologicae Japonenses = Nihon-dōbutsugaku-ihō},
  volume    = {12},
  pages     = {277 -- 285},
  year      = {2008},
}