00751naa#a2200217#i#450# EN\INFRA-M\bibl\15167 20241222152318.7 2500-0535 20170202b2017####ek#y0engy0150####ca ENG RU Narrow-band emission with 0.5 to 3.5 Hz varying frequency in the background of the main phase of the 17 March 2013 magnetic storm Journal article Moscow INFRA-M Academic Publishing LLC. 2017 14 с. Journal article local Potapov Alexander Sergeevich Dovbnya Boris Viktorovich Baishev Dmitry Gavrilyevich Polyushkina Tatyana Nikolaevna Rakhmatulin Ravil Anatolyevich zh-szf.ru