Yūen no iro, shitsuboku no katachi : Ri Heisō korekushōn Kankoku tōji no bi = Color of elegance, form of simplicity : the beauty of Korean ceramics frm the RHEE Byung-chang collection = Uahan saek , sunbakhan hyŏngtʻae : Yi Pyŏng-chʻang kʻolleksyŏn Hanʼguk tojagi ŭi arŭmdaum