Terahertz analysis of an East Asian historical mural painting K. Fukunaga, I. Hosako, Y. Kohdzuma, T. Koezuka, M.-J. Kim, T. Ikari and X. Du J. Eur. Opt. Soc.-Rapid Publ., 5 (2010) 10024 Published online: 04 May 2010 DOI: 10.2971/jeos.2010.10024