00735naa#a2200193#i#4500001002200000005001700022011001400039100004100053101000800094102000700102200016600109210005100275215001000326608002700336675010500363700001900468700004000487856001400527EN\INFRA-M\bibl\1778020240701043434.1##a1998-071X##a20170425b2017####ek#y0engy0150####ca0#aRUS##aRU1#aGeoecological Aspects of Maintenance of Electromagnetic Safety of the Population in Case of Urban Environment (on the Example of St. Petersburg)eJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2017##a7 с.##aJournal article2local##aОбщие вопросы математических и естественных наук. 50zRUS#1aSturmangV. I.#1aPanihidnikovgSergey Aleksandrovich4#azh-szf.ru