Granato, 1956, J. appl. phys., 27, 583, 10.1063/1.1722436
Granato, 1956, J. appl. phys., 27, 789, 10.1063/1.1722485
Thompson, 1970, phys. stat. sol, 37, 53, 10.1002/pssb.19700370107
Roth, 1971, Journ. de physique, 32, 145
Lücke, 1973, Acta met., 21, 237, 10.1016/0001-6160(73)90009-6
Thompson, 1975, phys. stat. sol. (b), 67, 623, 10.1002/pssb.2220670225
H. Kousek and H. Müllner, in preparation
Lücke, 1968, Jappl. phys., 39, 5181, 10.1063/1.1655941
Ahlers, 1961, J. appl. phys., 32, 283, 10.1063/1.1735992
Ikushina, 1968, Scripta met., 2, 89, 10.1016/0036-9748(68)90076-8
Burdett, 1970, Met rev., 15, 65, 10.1179/095066070790137983
Lauzier, 1975, phil. mag., 31, 893, 10.1080/14786437508229639