TY JOUR TI Spatial structure of plasma density perturbations, induced in the ionosphere modified by powerful HF radio waves: review of experimental results KW ionosphere KW powerful radio wave KW ionosphere pumping KW plasma turbulence JO Solnechno-Zemnaya Fizika AU Frolov, V.L. PY 2015 IS 1 PB INFRA-M Academic Publishing LLC.