@inbook{Langmayr2006, author = {Langmayr, D. and Erkaev, N. V. and Biernat, H. K.}, editor = {Rucker, H. O. and Kurth, W. S. and Mann, G.}, year = {2006}, pages = {317-324}, title = {Influence of the ion flow direction on the modified two stream instability}, publisher = {Verlag der Österreichischen Akademie der Wissenschaften}, address = {Wien}, journal = {Planetary Radio Emissions VI} }