1. A Mössbauer study of octahedral site symmetries in systems Co _x Mn_3−x−y Fe _y O₄ and Ni _x Mn_3−x−y Fe _y O₄

   • V K Singh
   • S Lokanathan

   Crystallography Pages: 1 - 5

2. Cation distribution of the system Zn_1−xCo_xFeMnO₄ by x-ray, electrical conductivity and Mössbauer studies

   • P S Jain
   • V S Darshane

   Crystallography Pages: 7 - 17

3. Crystal structure of N-m-tolyl phthalimide

   • K Chandrasekhar
   • Vasantha Pattabhi
   • S Swaminathan

   Crystallography Pages: 19 - 22

4. Low frequency surface waves in the presence of an external high frequency electric field

   • N Gopalaswamy
   • S Krishan

   Plasma Physics Pages: 23 - 40

5. Transmission of sonics through ionised medium: Damping considerations

   • A P Saxena
   • N S Suryanarayana

   Plasma Physics Pages: 41 - 46

6. Electron beam fusion, energy compression, and the absolute instability

   • R Jones

   Plasma Physics Pages: 47 - 54

7. The dynamics of a mode locked and frequency-doubled laser

   • R M Vasu
   • K P Jagannatha Reddy

   Optics Pages: 55 - 64

8. On information, negentropy and thermostatistics

   • C G Chakrabarti

   Statistical Physics Pages: 65 - 72

9. Connectivity constant of the kagomé lattice

   • Krishna Bhadra
   • C K Majumdar

   Statistical Physics Pages: 73 - 75

10. Viscosity behaviour of binary mixtures of non-polar solvents

    • Mridula Chauhan
    • Rajni Misra
    • M C Saxena

    Solid State Physics Pages: 77 - 84

11. Radiation damage in polyacrylonitrile

    • M Ramakrishna Murthy
    • S Radhakrishna

    Solid State Physics Pages: 85 - 90

12. Modified grüneisen and anderson-grüneisen relations for quasispherical molecular liquids

    • B K Sharma

    Liquids Pages: 91 - 103

13. Newtonian and fluid-dynamical viewpoint of pseudopotentials

    • Sambhu N Datta

    Erratum Pages: 104 - 104