References
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- Aleksandrov , A. G. 1977 . ‘Effect of calcium, yttrium and cerium on the structure and properties of deposited metal.’ . Avt Svarka , : 40 – 42 .
- Slutskaya , T. M. 1978 . ‘Properties of wire alloyed with cerium and yttrium in CO2 welding.’ . Avt Svarka , : 55 – 58 .
- Aleksandrov , A. G. and Lazebnov , P P . 1982 . ‘Effect of yttrium on the structure and mechanical properties in welding cast iron, steels and alloys.’ . Avt Svarka , : 34 – 37 .