Denker, A.: Analysis of 51 selcted coins at the Helmholtz-Zentrum Berlin für Materialien und Energie. In: Mahlo, D. [Ed.] : The early coins of Myanmar/Burma : messengers from the past ; Pyu, Mon, and Candras of Arakan (first millenium AD). Bangkok: White Lotus Press, 2012. - ISBN 978-974-480-191-3, p. 149-152