1. Amorphous semiconductors: Structural models

   • J Nag
   • S P Sen Gupta

   Review Papers Pages: 375 - 402

2. Defects in GaAs

   • V Swaminathan

   Review Papers Pages: 403 - 442

3. X-ray topographic analysis of dislocation line defectsin calcium fluoride crystals

   • C C Desai

   Articles Pages: 443 - 454

4. Structural, magnetic and electrical study of CoMnAlO₄

   • S G Joshi
   • D K Kulkarni
   • P V Khandekar

   Articles Pages: 455 - 459

5. High temperature resistivity characteristics of nonstoichiometric V₂O₃

   • H Jhans
   • J M Honig

   Articles Pages: 461 - 465

6. Optical constants of Mo _x W_1−x Se₂ single crystal solid solutions

   • M K Agarwal
   • P D Patel
   • O Vijayan

   Articles Pages: 467 - 471

7. A note on the composition dependence of elastic properties of Se-P glasses

   • V C Padaki
   • S T Lakshmikumar
   • E S R Gopal

   Research Communications Pages: 473 - 476

8. Microstructures, thermal diffusion and decomposition studies in the two phase solution grown mixed crystals of NaCl and KCl

   • S R Ghadekar
   • B T Deshmukh

   Research Communications Pages: 477 - 481