1. Editorial

   EditorialNotes Pages: 1 - 2

2. Laser excited fluorescence of Na₂

   • K S Chandrasekhar
   • S D Sharma
   • R Bhatnagar

   Spectroscopy Pages: 3 - 9

3. True potential energy curves,r-centroids and franck-condon factors of a few transition metal diatomic molecules

   • M V Ramanaiah
   • S V J Lakshman

   Molecular Physics Pages: 11 - 16

4. π* ←π electronic transition in hydroxy-benzonitriles. I. Orthohydroxybenzonitrile

   • S Ram
   • J S Yadav
   • H D Bist

   Molecular Physics Pages: 17 - 30

5. Mass spectrum of the dimuons produced in relativistic heavy-ion collisions

   • D Syam

   Particle Physics Pages: 31 - 41

6. Dispersion theory relations and charmed baryon couplings

   • V P Seth
   • V K Jain
   • S D Pabbi

   Particle Physics Pages: 43 - 47

7. Transport properties and thermal studies on pure and Cu²⁺-doped potassium hydrogen maleate single crystals

   • A D Reddy
   • S G Sathyanarayan
   • G S Sastry

   Solid State Physics Pages: 49 - 56

8. Mössbauer effect investigations of FeZn alloy and analysis using charge shift model

   • H C Verma

   Solid State Physics Pages: 57 - 61

9. Thermal conduction in a homogeneous two-phase system

   • R N Pande
   • V Kumar
   • D R Chaudhary

   Solid State Physics Pages: 63 - 70