1. Effect of Dislocations on Ultrasonic Wave Attenuation in Metals*
2. Niblett, n. H. and Wilks, J. Proceedings of International Conference on Low Temperature Physics, Paris. pp.484
3. Seeger, A. 1955.Theorie der Gitterfehlsstellen, Handbuch der PhysikVol. 7/14, 602Berlin‐Gottingen‐Heidelbergseq.See also paper by Seeger, in the press