1. On gamma radiation from the magellanic clouds and galactic supernova remnants — Possible antiproton sources in the galaxy

   • V. L. Ginzburg
   • V. S. Ptuskin

   OriginalPaper Pages: 99 - 110

2. Spatial interferometry in the mid-infrared region

   • C. H. Townes

   OriginalPaper Pages: 111 - 130

3. Spectra of the ammonium radical: the schüler bands

   • G. Herzberg

   OriginalPaper Pages: 131 - 138

4. The Ooty synthesis radio telescope: First results

   • G. Swarup

   OriginalPaper Pages: 139 - 148

5. Brightness, polarization and electron density of the solar corona of 1980 february 16

   • K. R. Sivaraman
   • M. Jayachandran
   • A. P. Jayarajan

   OriginalPaper Pages: 149 - 158

6. Spot activity in the RS CVn binary UX arietis

   • M. B. K. Sarma
   • B. V. N. S. Prakasa Rao

   OriginalPaper Pages: 159 - 168

7. Effects of partial frequency redistribution functions R_II, R_III and R_V on source functions

   • D. Mohan Rao
   • K. E. Rangarajan
   • A. Peraiah

   OriginalPaper Pages: 169 - 180

8. Spectroscopic binaries near the north galactic pole

   • R. F. Griffin

   OriginalPaper Pages: 181 - 185