TY - JOUR AU - A. D. Danilov AU - V. K. Semenov TI - A second experiment in the direct study of the ionosphere for ion-molecular reaction constants JO - Doklady Akademii Nauk PY - 1968 SP - 326 EP - 328 VL - 183 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1968_183_2_a20/ LA - ru ID - DAN_1968_183_2_a20 ER -