About KUMAGAI S
About Univ. Tokyo, JPN
About ITOH M
About Inst. Space and Astronautical Science, Tokyo, JPN
About SHIGEYAMA T
About Univ. Tokyo, JPN
About NOMOTO K
About Univ. Tokyo, JPN
About NISHIMURA J
About Inst. Space and Astronautical Science, Tokyo, JPN
About 素粒子論研究
About cosmic X-ray source
About Origin of cosmic ray
About Fixed stars
About 超新星
About ガンマ線