@article {2269, title = {Die Halm- und Minierfliegen im Grenzbereich Land-Meer der Nordsee}, journal = {Spixiana, Supplement}, volume = {6}, year = {1981}, pages = {405 pp, 10 pls}, type = {article}, keywords = {Agromyzidae, Chloropidae, Germany, North Sea, species description}, author = {Tschirnhaus, M. von} }