1. Spectroscopic binaries near the North Galactic pole

   • R. F. Griffin

   OriginalPaper Pages: 77 - 83

2. Energetics of the Kerr-Newman black hole by the penrose process

   • Manjiri Bhat
   • Sanjeev Dhurandhar
   • Naresh Dadhich

   OriginalPaper Pages: 85 - 100

3. Observations of hydrogen deficient binary Upsilon sagittarii

   • N. Kameswara Rao
   • V. R. Venugopal

   OriginalPaper Pages: 101 - 112