1. Unified theory of Rayleigh-angle phenomena for acoustic beams at liquid-solid interfaces

   • H. L. Bertoni
   • T. Tamir

   Invited Papers Pages: 157 - 172

2. Physical basis for the negative resistance in double heterostructure injection lasers

   • B. Grossman
   • J. E. Ripper
   • R. C. C. Leite

   Contributed Papers Pages: 173 - 176

3. Magnetisches Verhalten heterogener Legierungen: R₅Co₁₉+RCo₅ (R=Ce, Ce-La, CeMM)

   • D. Feldmann
   • Y. Khan

   Contributed Papers Pages: 177 - 182

4. Concentration and mean free path of the conduction electrons in scandium, yttrium and lanthanides

   • Carlo Reale

   Contributed Papers Pages: 183 - 185

5. The plastic properties of carbon tetrabromide

   • Laird C. Towle

   Contributed Papers Pages: 187 - 189

6. Grain size of MnBi films

   • W. K. Unger
   • H. Harms

   Contributed Papers Pages: 191 - 196

7. Dispersion characteristics for a ferrimagnetic plate

   • Pietro de Santis

   Contributed Papers Pages: 197 - 200

8. Theory of electrodynamic levitation with a continuous sheet track — Part I

   • J. Miericke
   • L. Urankar

   Contributed Papers Pages: 201 - 211

9. Spectral narrowing in a dye laser with non-resonant feedback

   • Gerd Marowsky

   Contributed Papers Pages: 213 - 217

10. Forthcoming papers

    Abstract Pages: A219 - A222

11. Book reviews

    • H. K. V. Lotsch
    • K. Bethge
    • U. Goneer

    BookReview Pages: A222 - A224