Ebisawa, K., Yamauchi, S., Tanaka, Y., Koyama, K., Ezoe, Y., Bamba, A., Kokubun, M., Hyodo, Y., Tsujimoto, M., & Takahashi, H. (2008). Spectral study of the galactic ridge X-ray emission with Suzaku. Recent Results from Suzaku, S223-S229.