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- [34] Russian Federation Patents and Certificates for Useful Models Metallurgist, 2002, 46 : 131 - 137
- [36] Russian Federation Patents and Certificates for Useful Models Metallurgist, 2001, 45 : 295 - 300
- [37] Russian Federation Patents and Certificates for Useful Models Metallurgist, 2001, 45 : 423 - 426