@book{26540,
	author = {Kim, Chi-yŏn},
	title = {Conservation and management of the world's petroglyph sites.},
	publisher = {Bangudae Petroglyphs Institute, University Of Ulsan ;},
	year = {c2014.},
	series = {World petroglyphs research ;},
	address = {Seoul, Korea :},
	edition = {First edition.}
}