00691naa#a2200193#i#450# EN\INFRA-M\bibl\57269 20240826085305.1 2500-0535 20230930b2023####ek#y0engy0150####ca ENG RU Identification of spectrum of secondary acoustic-gravity waves in the middle and upper atmosphere in a high-resolution numerical model Journal article Moscow INFRA-M Academic Publishing LLC. 2023 6 с. Journal article local Гравитационные волны. 551.511.31 ENG Gavrilov Nikolay Mihaylovich Kshevetskii Sergey Petrovich naukaru.ru