1. Nocturnal absorption of radio waves due to the ionisation produced by X-rays from Sco X-1 and Tau X-1 in the lower ionosphere

   • S. C. Chakravarty

   OriginalPaper Pages: 99 - 114

2. The structure of strong shock waves using the Fokker-Planck model

   • K. S. Viswanathan
   • G. S. Dwarakanath
   • V. V. Shanbhag

   OriginalPaper Pages: 115 - 132

3. Polarography of europium in aqueous and aqueous methanolic solutions

   • V. R. Chandrasekaran
   • A. K. Sundaram

   OriginalPaper Pages: 133 - 141

4. Microwave solar radiometer at 2800 MHz

   • K. Narayanan
   • R. V. Bhonsle

   OriginalPaper Pages: 142 - 151