1. Demetrios D. Kotsakis

2. D. Kotsakis as a scientist

3. Principal mechanisms responsible for the generation of infrared excess flux from stars

4. Direct observation of the solar ascillatory structure through the birefringent filter FPSS at meudon observatory

5. Irregular periodic orbits

6. Two inequalities of the sundman type for the general non-planar three-body problem

7. The work of Theophilos Cairis in physical sciences

8. Electron-molecule interactions in planetary atmospheres

9. The formation of gaps along families of periodic solutions

10. A mapping model for the study of resonant asteroid orbits

11. Physics of elementary particles today

12. Contitional propability of a future large earthquake with 7m or greater in the territory of greece

13. Higher-order perturbation theories for rotating polytropic stars: the numerical approach

14. Hypernuclear physics

15. Analytic models of the earth's magnetosphere

16. Astronomical water masers

17. Wavelength standards for the radial-velocity measurements

18. Period changes in eclipsing binary systems

19. The Stephanion observatory

20. Comet plasma environment