00662naa#a2200181#i#450# EN\\bibl\71491 20260228130041.6 2712-9640 20240326b2024####ek#y0engy0150####ca RU Effect of the NO concentration on the ratio I₅₅₇.₇/I₄₂₇.₈ in auroras Journal article Irkutsk Institute of Solar-Terrestrial Physics SB RAS 2024 5 с. Journal article local Геология. Геологические и геофизические науки. 55 Ivanov Vladimir Evgenievich Dashkevich Zhanna Vladimirovna naukaru.ru