00723naa#a2200205#i#450# EN\INFRA-M\bibl\39468 /en/manage/index 20250406025423.7 2500-0535 20200922b2020####ek#y0engy0150####ca ENG RU Inversion of backscatter ionograms into quasiparabolic ionospheric layer parameters Journal article Moscow INFRA-M Academic Publishing LLC. 2020 4 с. Journal article local Инженерное дело. Техника в целом. Транспорт. 62 ENG Ponomarchuk Sergey Nikolaevich Penzin Maksim Sergeevich test.editorum.ru /en/manage/index