00497naa#a2200169#i#4500001001600000005001700016011001400033100004100047101000800088102000700096200007600103210005800179215001000237608002700247700003300274856002000307EN\\bibl\11306020260120051333.2##a2311-1402##a20120925b2012####ek#y0engy0150####ca0#aRUS##aRU1#aSocial and professional communities in northern citieseJournal article1#aNizhnevartovskcNizhnevartovsk State Universityd2012##a4 с.##aJournal article2local#1aAminovgSalavat Rifgatovich 4#avestnik.nvsu.ru