Trends in space astronomy and Cosmic Vision 2015-2025
The HR Diagram in the Plane log(T~e~f~f), M~b~o~l of Pop. II Stars with Hipparcos Parallaxes
Analysis of Seven Nearby Open Clusters using Hipparcos Data
Hipparcos Subdwarfs and Globular Clusters: Towards Reliable Absolute Ages
RVs' Radial Velocities Accuracy
Further Processing of the Hipparcos Variability Induced Movers
Astrometric Microlensing with the GAIA Satellite