@inbook {5392, title = {Private, briefliche Mitteilung von Herrn Dr. Einar Westblad, Herbst 1953.}, booktitle = {Riedl notes the reference in 1956}, year = {1953}, month = {1953}, keywords = {Diopisthoporus longitubus, Faerlea fragilis, Haploposthia rubropunctata}, author = {Westblad,E} } @article {5219, title = {New Turbellaria parasites in Echinoderma.}, journal = {Arkiv f Zoologi Ser 2}, volume = {5}, year = {1953}, month = {1953}, pages = {269 - 288}, keywords = {Avagina glandulifera, LOCATION}, author = {Westblad,E} }