1. W. LILIENTAL, in “Wear of Materials 1983”, edited by K. C. Ludema (ASME, New York, 1983) p. 556.
2. A. P. EPIK, in “Boron and Refractory Borides”, edited by V. I. Matkovich (Springer, New York, 1977) p. 597.
3. N. S. ZINOVICH, in “Diffusion Cladding of Metals”, edited by G. V. Samsonov (Consultants Bureau, New York, 1967) p. 43.
4. I. S. DUKAREVICH and M. A. BALTER, in “Protective Coatings on Metals I”, edited by G. V. Samsonov (Consultant Bureau, New York, 1969) p. 30.
5. O. KUBASCHEWSKI, “Iron-Binary Phase Diagrams” (Springer, New York, 1982) p. 15.