@article{DAN_1968_183_2_a20,
     author = {A. D. Danilov and V. K. Semenov},
     title = {A second experiment in the direct study of the ionosphere for ion-molecular reaction constants},
     journal = {Doklady Akademii Nauk},
     pages = {326--328},
     publisher = {mathdoc},
     volume = {183},
     number = {2},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1968_183_2_a20/}
}