@article{Mertens2008, author = {Josef Mertens}, title = {Required technologies for supersonic aircraft}, journal = {Fluid dynamics research on supersonic aircraft : this report is a compilation of the edited proceedings of the special course on "Fluid dynamic research on supersonic aircraft" held at the Karman Institute for Fluid Dynamics (VKI) in Rhode-Saint-Genese, Belgium, 25-29 May 1998}, pages = {5.1 -- 5.16}, year = {2008}, }