by 半田, 直人, 出穂, 雅実, 高橋, 啓一, 飯塚, 文枝, Batmunkh, Tsogtbaatar, Byambaa, Gunchinsuren, Davaakhuu, Odsuren, Lochin, Ishtseren
Published in Chishitsugaku zasshi (15.12.2017)