The change in the chemical form of copper in fly ash in a suitable temperature region for de novo synthesis Publication Attachment: 04-358.pdf Authors: Takaoka, Masaki, Shiono, Atsuhiro, Nishimura, Kohei, Yamamoto, Takashi, Uruga, Tomoya, Takeda, Nobuo, Tanaka, Tsunehiro, Oshita, Kazuyuki, Matsumoto, Tadao, Harada, Hiroki Year: 2004