1. A single operational amplifier simulates general third-order linear systems

   • G. K. Aggarwal

   OriginalPaper Pages: 257 - 274

2. Raman spectrum of C-deuteratedγ-glycine (NH ₃ ⁺ CD₂COO⁻)

   • P. Neelakantan
   • R. S. Krishnan
   • Yoichi Iitaka

   OriginalPaper Pages: 275 - 278

3. Flow of non-newtonian fluid between two infinite parallel discs for large values of reynolds number—One rotating and the other at rest

   • R. K. Bhatnagar

   OriginalPaper Pages: 279 - 289

4. Mean amplitudes of vibration: Some pyramidal XY₃ and tetrahedral XY₄ molecules

   • K. Venkateswarlu
   • K. V. Rajalakshmi
   • R. Thanalakshmi

   OriginalPaper Pages: 290 - 295

5. X-ray studies on the thermal expansion of zinc fluoride, manganous fluoride and cobaltous fluoride

   • K. V. Krishna Rao
   • S. V. Nagender Naidu

   OriginalPaper Pages: 296 - 302

6. Calc-silicate skarns in the granites and gneisses at Jothwad, Panchmahal District, Gujarat State

   • M. S. Sadashivaiah

   OriginalPaper Pages: 303 - 313

7. X-ray line-breadth analysis of growth and deformation faulting in hexagonal close-packed structures

   • P. Rama Rao
   • T. R. Anantharaman

   OriginalPaper Pages: 314 - 325