Nakazawa, K., Sarazin, C. L., Kawaharada, M., Kitaguchi, T., Okuyama, S., Makishima, K., Kawano, N., Fukazawa, Y., Inoue, S., Takizawa, M., Wik, D. R., Finoguenov, A., & Clarke, T. E. (2009). Hard X-ray properties of the merging cluster Abell 3667 as observed with Suzaku. Publications of the Astronomical Society of Japan, 61(2), 339-355.