1. P. Yu Butyagin, InCoMe ‘93, Fundamentais and Models of Mechanically Stimulated Processes, Proc. of the 1st Intern. Confer. on Mechanochemistry, Košic, March 23-26, 1993, 27.
2. Gutman, ibid, 34.
3. E.L. Goidberg and S.V. Pavlov, ibid, 66.
4. N. Lyakhov, ibid, 59.
5. V. Jesenak and K. Jesenak, ibid, 76.