00763naa#a2200217#i#4500001002200000005001700022011001400039100004100053101000800094102000700102200011400109210005100223215001000274608002700284675009900311700003000410700003100440700003100471700002900502856001400531EN\INFRA-M\bibl\1971220241204120006.3##a2500-0535##a20171229b2017####ek#y0engy0150####ca0#aENG##aRU1#aDependence of the F2-layer critical frequency median at midlatitudes on geomagnetic activityeJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2017##a6 с.##aJournal article2local##aГеология. Геологические и геофизические науки. 55zENG#1aDeminovgMarat Garunovich#1aDeminovagGalina Fedorovna#1aDepuevgViktor Khakimovich#1aDepuevagAnna Khakimovna4#azh-szf.ru