TY - JOUR AU - A. Badalyan AU - P. Mantashyan AU - V. Mekhitaryan AU - V. Nersesyan AU - R. Drampyan TI - Optical induction of 3D refractive lattices in doubly doped LiNbO$_{3}$ photorefractive crystal JO - Nanosistemy: fizika, himiâ, matematika PY - 2014 SP - 210 EP - 216 VL - 5 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NANO_2014_5_2_a0/ LA - en ID - NANO_2014_5_2_a0 ER -