LDR 00546naa#a2200181#i#450# 001 EN\\bibl\46547 005 20241226220413.4 011 ## _a1681-1208 100 ## _a20201225b2020####ek#y0engy0150####ca 101 0# _aENG 102 ## _aRU 200 1# _aThe aspects of K-index calculation at Russian Geomagnetic Observatories _eJournal article 210 1# _aMoscow _cGeophysical Center of the Russian Academy of Sciences _d2020 215 ## _a0 с. 608 ## _aJournal article _2local 700 #1 _aPetrov _gValery G 700 #1 _aKrasnoperov _gRoman I 856 4# _arjes.ru _u