Instabilities of stationary inviscid compressible flow around an airfoil / R. van Buuren, J.G.M. Kuerten and B.J. GeurtsImplicit time accurate simulation of unsteady flow / R. van Buuren, J.G.M. Kuerten and B.J. GeurtsTime integration methods for compressible flow / René van BuurenTime integration methods for compressible flow / René van Buuren