@article {5324, title = {Fortpflanzungsbiologie, Entwicklungszyklen und vergleichende Fr{\"u}hentwicklung acoeler Turbellarien.}, journal = {Mar Biol}, volume = {4}, year = {1969}, month = {1969}, pages = {267 - 325}, keywords = {Convoluta armata, Convoluta convoluta, Convoluta haustrum, Convoluta infundibulum, Convoluta paradoxa}, author = {Apelt,G} }