Wanner, R., Iwasa, I. and Wales, S., Solid State Commun., 18 (1976) , 853．
[5]
Iwasa, I., Araki, K. and Suzuki, H., Proc. 6th Int. Conf. Internal Friction and Ultrasonic Attenuation in Solids (Univ. Tokyo Press, Tokyo, 1977) p. 549; J. Phys. Soc. Jpn. to be published.
[6]
Andreev, A., Keshishev, K., Mezhov-Deglin, L. and Shal, Nikov, A., ZhETF Pis. 9 (1969) , 507． Translation: JETP Letters, 9 (1969) , 306．
[7]
Alexander, Ho and Haasen, P., Solid State Phys., 22 (1968) , 110．
[8]
Granato, A. V. and Lucke, K, J. Appl. Phys., 27 (1956) , 583．
[9]
Sakai, A., Nishioka, Y. and Suzuki, H., J. Phys. Soc. Jpn., to be published.
[10]
Ninomiya, T., J. Phys. Soc. Jpn., 36 (1974) , 399．
[11]
Taylor, G. I., J. Inst. Met., 62 (1938) , 307．
[12]
Suzuki, H., Dislocation Dynamics, Ed. by A. R. Rosenfield, et al., McGraw-Hill, New York, 1968, p. 679．"
