1. L. Blaes, Ph. Bauer, U. Gonser and R. Kern, Z. Metallkde, 79 (1988) 278.
2. P. Schaaf, Ph. Bauer and U. Gonser, Z. Metallkde. 80 (1989) 77.
3. L. Blaes, H.-G. Wagner, U. Gonser, J. Welsch and J. Sutor, Hyp. Int. 29 (1986) 1571.
4. B.T. Fultz, United States Patent No. 4.393,306 (1983).
5. Engineering Data Bulletin 3.00. Reuter-Stokes Electronic Components Inc., Cleveland, Ohio, USA (1977).