Hydrodynamics of line driven winds from stars and disks
Dark corners in radiating fluids - critical points, Abbott waves, & scattering
Gezeiten auf der Erde und im Kosmos (postscript file; the accompanying slides are not included)
Einstein's Collected Papers. Volume 5. Correspondence 1902-1914
Wind talk in Prag (2006), Brno (2006), Lexington (2007)
Talk on Logic in Brno (2010)