X-sen-isō-riyō-keisoku-no-shōrai-tenbō : PF-Kenkyūkai
X-Ray Variability of the Afterglow From GRB970828
X-ray variability of ROSAT sources
X-Ray Variability in BL Lac Objects
X-Ray Variability and Soft X-Ray Spectrum of Narrow Line Seyfert 1 Sources
X-Ray Study of Hot Interstellar Medium in Early-Type Galaxies