1. Firsov, O. B. 1970.Atomic Collision Phenomena in Solids, Edited by: Palmer, D. W., Thompson, M. W. and Townsend, P. D. 301Amsterdam: North-Holland Pub. Co.
2. Kashkin, V. K., Ruzhov, Ju. A., Shkarban, Iy. Iv. and Kalmykov, B. M. 8th Int. Conf. on Phenomena in Ionized Gases Vienna. unpublished