Clumps in planetary nebulae

Artikel in diesem Heft

1. Contents
2. Nearby groups of galaxies in the Pisces-Cetus area. I. The NGC 524 group
3. Interstellar reddening in the direction of the globular cluster NGC 6712
4. Photoelectric photometry of metal-poor and other peculiar stars in the Vilnius system
5. Element abundances in the ES CVn-type star Lambda Andromedae
6. A study of the IUE ultraviolet spectrum of χ² Orionis
7. Clumps in planetary nebulae
8. The spectrophotometric data reduction software package for automated quantitative spectral classification of stars
9. A possibility of photometric classification of stars with the Wide Field Camera of the HST
10. A new interpretation of the cratering history in terms of the galactovertical oscillation of the Sun
11. Photoelectric photometry of carbon, barium and related stars in the Vilnius system and their colour excesses. II
12. Contents of Volume 1