1. Some effects of geomagnetic activity on the F2 region of the ionosphere over leopoldville (4·4°S, 15·3°E)

   • R. G. Rastogi

   OriginalPaper Pages: 155 - 160

2. Heterocyclic compounds

   • Joseph P. John
   • P. Shanmugam

   OriginalPaper Pages: 161 - 164

3. Heterocyclic compounds

   • M. Krishnan

   OriginalPaper Pages: 165 - 170

4. An approximate method for the calculation of the incompressible laminar spanwise boundary layer on an infinite uniform yawed cylinder with distributed suction

   • Kapildeo Prasad Sinha

   OriginalPaper Pages: 171 - 187

5. Flow of non-newtonian fluid between torsionally oscillating discs

   • G. K. Rajeswari

   OriginalPaper Pages: 188 - 204