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2. G. Heinicke, Tribochemistry (Carl Hanser Verlag, Munich, 1985); Mir, (Moscow, 1987).
3. V. V. Boldyrev, in Mechanochemical Synthesis in Inorganic Chemistry. Collected Works (Nauka, Novosibirsk, 1991) [in Russian].
4. V. V. Boldyrev, Usp. Khim. 75, 3 (2006).
5. P. Yu. Butyagin, in Mechanochemical Synthesis in Inorganic Chemistry. Collected Works (Nauka, Novosibirsk, 1991), p. 32 [in Russian].