Boundary integral method for the computation of the potential flow about ship configurations with lift and free surface effects / by C.M. van Beek, W.J. Piers and J.W. SlooffAerodynamic analysis of slipstream/wing/nacelle interference for preliminary design of aircraft configurations / by C.M. van Beek, W.J. Piers and B. OskamDevelopment of an advanced panel method for complex configurations in subsonic compressible flow; application to the computation of the potential flow through ducts / by C.M. van BeekProgress report on aerodynamic analysis of a surface piercing hydrofoil-controlled wing-in-ground effect SEABUS configuration / C.M. van Beek, B. Oskam and G. Fantacci