1. Diffraction of light by two parallel superposed supersonic waves, one being then-th harmonic of the other: A critical study of the methods leading to approximate solutions in finite form

   • Robert Mertens

   OriginalPaper Pages: 63 - 98

2. Nuclear structure effect in the internal conversion of the 81 Kev. Transition in Cs¹³³

   • B. N. Subba Rao

   OriginalPaper Pages: 99 - 105

3. The¹I₆ state of Pr³⁺ in LaCl₃ at 77°K

   • R. M. Agrawal
   • R. K. Asundi
   • Shobha Singh

   OriginalPaper Pages: 106 - 112

4. A simple derivation of Staudinger’s rule

   • V. S. Vaidhyanathan

   OriginalPaper Pages: 113 - 120

5. Electron-metallographic studies of precipitation in an aluminium-zinc-magnesium alloy

   • J. Ramesam
   • M. Ramakrishna Rao
   • T. R. Anantharaman

   OriginalPaper Pages: 121 - 129