1. Relativistic wave equations for the proton

   • H. J. Bhabha

   OriginalPaper Pages: 241 - 264

2. On the reflection of atmospherics from the ionosphere at night

   • M. W. Chiplonkar
   • M. S. Hattiangadi

   OriginalPaper Pages: 265 - 271

3. Luminescence in the solid state—Boric acid as base

   • K. Neelakantam
   • M. V. Sitaraman

   OriginalPaper Pages: 272 - 279

4. Excitation curves of luminescence in diamond

   • Anna Mani

   OriginalPaper Pages: 280 - 287