11. An application of finite element method for meteorogical problems

12. The relativistic restricted three-body problem

13. The cosmology of classical greece

14. On the stability of a special class of precessions

15. Temperature and pressure variations in the atmosphere of Venus

16. Procédé d'enrichissement a 90% Ni d'un alliage FeNi

17. Solar radiation as source of electric power

18. Solar netrinos

19. Emission of radiation and radioemission of Jupiter

20. Trapped orbits in a spiral galaxy

21. Ionosphere as a medium for earth communication and the partial prediction of the critical frequency for the F layer in the area of greece

22. Probable periodical variations in the frequency of the etesian winds

23. Weather and climate modification by human activity - Relevant questions in Greece area

24. Requiem for a comet

25. The importance of the parameters of seismic sequences to the problem of earthquake prediction

26. A new differential equation in mathematical physics

27. Aristarchus of Samos, the founder of astronomy

28. Solar research in europe. Site testing for solar observatory

29. The astronomical station of Pentele (Athens)

30. Interplanetary space research from observations of comets