LDR 00712naa#a2200205#i#450# 001 EN\INFRA-M\bibl\20508 005 20241127080559.3 011 ## _a2500-0535 100 ## _a20180331b2018####ek#y0engy0150####ca 101 0# _aENG 102 ## _aRU 200 1# _aElectron density at F1-layer heights in the last solar minimum (2007–2009) _eJournal article 210 1# _aMoscow _cINFRA-M Academic Publishing LLC. _d2018 215 ## _a2 с. 608 ## _aJournal article _2local 675 ## _aГеология. Геологические и геофизические науки. 55 _zENG 700 #1 _aKushnarenko _gGalina Petrovna 700 #1 _aYakovleva _gOlga Evgenyevna 700 #1 _aKuznetsova _gGalina Mihaylovna 856 4# _azh-szf.ru _u