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2. References can be found in: Hafner, J.: Glassy Metals. Topic in Applied Physics. Güntherodt, H.-J., Beck, H. (eds.), Vol. 46, pp. 93. Berlin, Heidelberg, New York: Springer 1981
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4. Cahn, R.W.: Contemp. Phys.21, 43 (1980)
5. Chen, H.S.: Rep. Prog. Phys.43, 353 (1980)