1. Determination of the flux of primary cosmic ray hydrogen and helium nuclei near the geomagnetic equator using nuclear emulsions

   • P. J. Kajarekar

   OriginalPaper Pages: 123 - 127

2. Vinyl polymerization

   • M. Santappa
   • V. Mahadevan
   • K. Jijie

   OriginalPaper Pages: 128 - 140

3. Studies in the formation of heterocyclic rings containing nitrogen

   • Khalil Ahmed
   • N. V. Subba Rao

   OriginalPaper Pages: 141 - 147

4. Potential constants and mean amplitudes of vibrations of N-methyl acetamide

   • V. Venkata Chalapathi
   • K. Venkata Ramiah

   OriginalPaper Pages: 148 - 156

5. A hybrid computer for X-ray crystallography

   • S. Harigovindan

   OriginalPaper Pages: 157 - 172

6. Thermal expansion of ferroelectrics

   • S. Devanarayanan
   • K. R. K. Easwaran

   OriginalPaper Pages: 173 - 181

7. Studies in the separation and determination of zirconium using vanillin as an analytical reagent

   • B. D. Jain
   • J. J. Singh

   OriginalPaper Pages: 182 - 184

8. Polyphenols from the stem bark ofRhododendron grande Wight

   • S. Rangaswami
   • P. Venkateswarlu

   OriginalPaper Pages: 185 - 191

9. Some studies on wave refraction in relation to beach erosion along the kerala coast

   • P. K. Das
   • V. Hariharan
   • V. V. R. Varadachari

   OriginalPaper Pages: 192 - 202