E. D. Kovtun

Distribution of impurities in the surface layers of KDP and KD*P single crystals after their mechanical treatment

L. V. Atroschenko, Abraham B. Blank, E. S. Zolotovitskaya, 1997, Laser Damage.

Diagnostics of the surface and near-surface region of barium hexaferrite monocrystals

E. D. Kovtun, A. Kamzin, L. Ol’khovik, 1996 .