1. The study of defects in crystals by positron annihilation

   • Alfred Seeger

   Invited Paper Pages: 183 - 199

2. Space and wavelength dependence of speckle intensity

   • Nicholas George
   • Atul Jain

   Contributed Papers Pages: 201 - 212

3. Behaviour of positrons in binary alloys

   • M. J. Stott
   • A. T. Stewart
   • P. Kubica

   Contributed Papers Pages: 213 - 215

4. Determination of cesium distributions in oxides of MOS structures by photoinjection studies

   • G. Sixt
   • M. Schulz
   • A. Goetzberger

   Contributed Papers Pages: 217 - 223

5. Determination of deep trap levels in silicon using ion-implantation and CV-measurements

   • M. Schulz

   Contributed Papers Pages: 225 - 236

6. Substitutions in manganese zinc ferrites

   • U. König

   Contributed Papers Pages: 237 - 242

7. Direct comparison of ion scattering and secondary ion emission as tools for analysis of metal surfaces

   • M. Grundner
   • W. Heiland
   • E. Taglauer

   Contributed Papers Pages: 243 - 248

8. Momentum distribution in benzene: A comparison of compton scattering and positron annihilation

   • D. M. Schrader
   • John K. Kim

   Contributed Papers Pages: 249 - 256

9. Theory of self-locking phenomena in the pressure broadened three-mode He-Ne laser

   • H. Dekker

   Contributed Papers Pages: 257 - 263

10. Adsorption studies of aluminum oxide on rhenium by means of field emission microscopy

    • Th. Beach
    • R. Vanselow

    Contributed Papers Pages: 265 - 270

11. Positron lifetime measurements inn- andp-type silicon

    • M. Dorikens
    • C. Dauwe
    • L. Dorikens-Vanpraet

    Letter Paper Pages: 271 - 272

12. Forthcoming papers

    Abstract Pages: A273 - A277

13. Book reviews

    • G. Meier
    • H. Kirchmayr
    • W. Klose

    BookReview Pages: A278 - A280