%0 Journal Article %A M. A. Navassardian %A Ts. M. Navassardian %A R. Ts. Gabrielian %T Modulated with sound frequencies X-rays echo from the depth of atoms %J Proceedings of the Yerevan State University. Physical and mathematical sciences %D 1995 %P 99-102 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZERU_1995_2_a6/ %G ru %F UZERU_1995_2_a6