@article {324, title = {Neue und alte Styeliden aus der Sammlung des Berliner Museums}, journal = {Mitteilungen. Zoologisches Museum in Berlin}, volume = {8}, number = {2}, year = {1916}, pages = {203-230}, author = {Hartmeyer, R.} } @article {349, title = {Zur Kenntnis Phlebobranchiater un Dictyobranchiater Ascidien}, journal = {Mitteilungen. Zoologisches Museum in Berlin}, volume = {13}, year = {1927}, pages = {157-194}, author = {Hartmeyer, R.} } @article {304, title = {Miscellanea Ascidiologica}, journal = {Mitteilungen. Zoologisches Museum in Berlin}, volume = {10}, year = {1922}, pages = {299-323}, author = {Hartmeyer, R.} }