1. Internal conical refraction of elastic waves in orthorhombic crystals

   • S. R. Prabhakaran Nayar

   OriginalPaper Pages: 201 - 211

2. Large underground showers and multiple muons in association with E.A.S.

   • B. Chowdhuri
   • Y. C. Saxena

   OriginalPaper Pages: 212 - 225

3. Beta-gamma-gamma angular correlation studies of the radiations from the decay of Sb¹²⁴

   • H. S. Dahiya
   • B. P. Singh

   OriginalPaper Pages: 226 - 238

4. Unsteady thermal boundary-layer on an infinite yawed wedge whose temperature gradient is prescribed

   • Maharaj Singh
   • G. N. Sarma

   OriginalPaper Pages: 239 - 254