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4. M. S. Frol'tsov, T. S. Ryabova, and G. I. Sil'man, "Rapidly wearing parts of earth-moving machines made of alloyed white cast irons," Stroit. Dorozhnye Mashiny, No. 6, 30 (1977).
5. E. A. Pamfilov, V. V. Maiorov, and A. M. Buglaev, "Apparatus for testing wear at low temperatures," Zavod. Lab., No. 2, 234 (1978).