[oral]

Yamada A., Hiraki Y., Seta T., Seki K., Kasai Y., and Ozima M.
"SOME CONSIDERATIONS REGARDING OXYGEN COMPOSITION IN THE LUNAR SOIL"
71st Annual Meeting of the Meteoritical Society (MetSoc08), #5205, July 28 - August 1, 2008

[poster]

Akinori Yamada, Hiroyuki K. M. Tanaka, Yusuke Yamauchi, Toshikazu Kurihara, Naoji Sugiura
"Nanostructural Characterization of the Allende CV Chondrite and L Chondrite using Positronium Time of Flight Spectroscopy:  the History of Chondrite Parent Body Formation"
71st Annual Meeting of the Meteoritical Society (MetSoc08), #5210, July 28 - August 1, 2008

[poster]

Akinori Yamada, Hiroyuki K. M. Tanaka, Toshikazu Kurihara, Yusuke Yamauchi, Mills A. P. Jr.
"Positronium Time of Flight Spectroscopy to Understand Chondrite Formation"
International Workshop on High Energy Earth Science, June 26-27, 2008

[poster]

Yamada A., Hiraki Y., Seta T., Seki K., Kasai Y., and Ozima M.
"Mass-independently fractionation of oxygen ion O+ in thermosphere"
Japan Geoscience Union Meeting 2008, May 25-30, 2008