21. On mass loss from stars

22. Contribution to fourier analysis of the light curves of eclipsing

23. Prospective views in space astronomy

24. Long-term changes of the flare stars ev lac and by dra

25. On the problem of cepheid amplitude dependence on the star position in the instability strip

26. Early-type emission-line stars

27. The structure of the small magellanic cloud

28. Large scale distribution of elements and gravity

29. Active galactic nuclei and particle acceleration in accretion disks around massive black holes

30. Non linear Einstein-Maxwell differential equations

31. Recent results for the moon's secular acceleration and their implication for the possible variation of G in dirac's large number hypothesis

32. Classical phase space from a relativist's point of view

33. The colonization of the galaxy - A key concept in the search for extraterrestrial intelligence

34. Numerical treatment of the magnetohydrodynamic flow by an infinite porous plate

35. Ray tracing and caustics from large reflectors used in spacecrafts

36. Why the total solar radio flux at a wave length of 10cm cannot fully replace the wolf relative sunspot number