id	keyword
aeer-282	bulgarian
aeer-282	villages
aeer-282	russian
aeer-282	social
aeer-282	identity
aeer-282	names
aeer-282	time
aeer-282	korten
aeer-282	schools
aeer-282	soviet
aeer-282	novakov
aeer-282	tvarditsa
aeer-282	education
aeer-282	life
aeer-282	communities