'((:2004aa . "KUMLS2004AA")
(:2006ac . "KUMLS2006AC")
(:2006ad . "MTS2006AD")
(:2009ab . "MTS2009AB")
(:2010aa . "MTS2010AA")
(:2012ab . "MTS2012AB")))
'((:2004aa . "KUMLS2004AA")
(:2006ac . "KUMLS2006AC")
(:2006ad . "MTS2006AD")
(:2009ab . "MTS2009AB")
(:2010aa . "MTS2010AA")
(:2012ab . "MTS2012AB")))