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

21. Satellite-based photogrammetry

22. Photometric analysis of the light curves of eclipsing variable stars

23. A comprehensive review of the new discipline of bioastronomy

24. The role of resonant orbits in the dynamics of bar galaxies