00472naa#a2200157#i#4500001001500000005001700015011001400032100004100046102000700087200006900094210007200163215001100235608002700246700002100273856002000294EN\\bibl\4696720260318044532.3##a1681-1208##a20080825b2008####ek#y0engy0150####ca##aRU1#aChart-making of the Earth's main magnetic fieldeJournal article1#aMoscowcGeophysical Center of the Russian Academy of Sciencesd2008##a16 с.##aJournal article2local#1aZhalkovskygYe A4#aras.editorum.ru