00617naa#a2200181#i#4500001001600000005001700016011001400033100004100047101000800088102000700096200014800103210005800251215001000309608002700319675003300346700003600379856002000415EN\\bibl\11303320260119035623.1##a2311-1402##a20121225b2012####ek#y0engy0150####ca0#aRUS##aRU1#aClassification of criteria used in russian scientific references to single out mesolithic period (till late 80s of XX century)eJournal article1#aNizhnevartovskcNizhnevartovsk State Universityd2012##a4 с.##aJournal article2local##aАрхелогия. 902zRUS#1aGrebenukovgVladimir Ivanovich 4#avestnik.nvsu.ru