1. A new method of calculating multi-level non-LTE line formation

   • G. Q. Wu

   OriginalPaper Pages: 171 - 180

2. The pulsation of Delta-Scuti stars

   • H. Milligan
   • T. R. Carson

   OriginalPaper Pages: 181 - 211

3. Arbitrary amplitude double layers in a multi-species electron-positron plasma

   • R. Bharuthram

   OriginalPaper Pages: 213 - 222

4. Chemically reacting flow of a compressible thermally radiating two-component plasma

   • A. R. Bestman

   OriginalPaper Pages: 223 - 235

5. Evolutionary state of W UMa-type systems

   • H. Rovithis-Livaniou
   • P. Rovithis
   • O. Bitzaraki

   OriginalPaper Pages: 237 - 262

6. Photometric study of MM Cas

   • U. S. Chaubey

   OriginalPaper Pages: 263 - 270

7. Astrophysical use of the principal component analysis of imperfect data

   • Wasaburo Unno
   • Manabu Yuasa

   OriginalPaper Pages: 271 - 278

8. Radiation transfer in a diffuse and specular reflecting slab with Rayleigh scattering

   • M. S. Abdel Krim
   • E. M. Abulwafa
   • S. M. Shouman

   OriginalPaper Pages: 279 - 287

9. Periodicity in filamentary activity

   • Muammer Dizer

   OriginalPaper Pages: 289 - 301

10. Radiative heat transfer to hydromagnetic flow of a slightly rarefied binary gas in a vertical channel

    • A. R. Bestman
    • M. A. Alabraba
    • A. Ogulu

    OriginalPaper Pages: 303 - 308

11. UBV photometry of AW Pegasi

    • E. Derman
    • O. Demircan

    OriginalPaper Pages: 309 - 325

12. A note on the very small grains (VSGs) observed at Halley's comet

    • M. N. Fomenkova
    • D. A. Mendis

    Letter to the Editor Pages: 327 - 331

13. Book reviews

    • Michael Moutsoulas
    • Alex Raga

    BookReview Pages: 333 - 335

14. List of forthcoming papers

    Legacy Pages: 337 - 337