1. Stratospheric flights over tropical latitudes with polyethylene balloons of large volume

   • G. S. Gokhale
   • M. G. K. Menon
   • R. T. Redkar

   OriginalPaper Pages: 57 - 73

2. Tabulation of the number of independent components of physical tensors for the magnetic classes

   • J. Tenenbaum

   OriginalPaper Pages: 74 - 83

3. Influence of temperature on the photometric determination of silicon by the molybdenum blue methods

   • G. V. L. N. Murty
   • K. S. R. Krishnaiah
   • M. S. Raju

   OriginalPaper Pages: 84 - 90

4. Substitution and solvent effects on C¹³-F¹⁹ coupling constants

   • M. M. Dhingra
   • G. Govil
   • C. L. Khetrapal

   OriginalPaper Pages: 91 - 96

5. Thed ¹ Σ ⁺−c ¹ Π system of NH

   • N. A. Narasimham
   • G. Krishnamurty

   OriginalPaper Pages: 97 - 110

6. Raman and infrared spectra of ethylene glycol

   • K. Krishnan
   • R. S. Krishnan

   OriginalPaper Pages: 111 - 122