@book{48620,
	author = {Seo, Su-gyun (徐垂均)},
	title = {불면증 : 잠 못 이루는 밤의 불청객 = Insomnia:},
	publisher = {Governor,},
	year = {2016},
	series = {Abnormal psychology ;},
	address = {Seoul: },
	edition = {2nd ed.}
}