Design and performance of horizontal-type neutron reflectometer SOFIA at J-PARC/MLFN. L. Yamada, N. Torikai, K. Mitamura, H. Sagehashi, S. Sato, H. Seto, T. Sugita, S. Goko, M. Furusaka, T. Oda, M. Hino, T. Fujiwara, H. Takahashi and A. TakaharaEur. Phys. J. Plus, 126 11 (2011) 108DOI: https://doi.org/10.1140/epjp/i2011-11108-7