00905naa#a2200217#i#450# EN\INFRA-M\bibl\18492 /en/manage/index 20241116044741.6 2500-0535 20171009b2017####ek#y0engy0150####ca ENG RU Features of backscatter ionospheric sounding as studied with a chirp ionosonde Journal article Moscow INFRA-M Academic Publishing LLC. 2017 6 с. Journal article local Астрономия. Астрофизика. Исследование космического пространства. Геодезия. 52 Инженерное дело. Техника в целом. Транспорт. 62 ENG Ponomarchuk Sergey Nikolaevich Kurkin Vladimir Ivanovich Penzin Maksim Sergeevich test.editorum.ru /en/manage/index