00712naa#a2200205#i#4500001002200000005001700022011001400039100004100053101000800094102000700102200009800109210005100207215001000258608002700268675009900295700003300394700003100427700003400458856001400492EN\INFRA-M\bibl\2050820241123160646.6##a2500-0535##a20180331b2018####ek#y0engy0150####ca0#aENG##aRU1#aElectron density at F1-layer heights in the last solar minimum (2007–2009)eJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2018##a2 с.##aJournal article2local##aГеология. Геологические и геофизические науки. 55zENG#1aKushnarenkogGalina Petrovna#1aYakovlevagOlga Evgenyevna#1aKuznetsovagGalina Mihaylovna4#azh-szf.ru