Constrain on Brans-Dicke Cosmology from view point of Cosmic age
(The Nineteenth Workshop on General Relativity and Gravitation in Japan (JGRG19) Monday the 30th of November to Friday the 4th of December 2009 The Multi-Purpose Hall (the Second Floor) of the Tachikawa Memorial Hall @ Rikkyo University, Tokyo, Japan 2009)
東亜天文学会
, 天文教育普及研究会
, 日本天文学会
, Oriental Astronomical Association
, Japanese Society for Education and Popularization of Astronomy
, The Astronomical Society of Japan