1. R7081-02 Datasheet, Hamamatsu Photonics K.K., Hamamatsu City, Shizuoka Pref., Japan, November 12, 2003.
2. T. Akiri, et al., The 2010 Interim Report of the Long-Baseline Neutrino Experiment Collaboration Physics Working Groups arXiv:1110.6249
3. D. Autiero, et al., Large Underground, Liquid Based Detectors for Astro-particle Physics in Europe: Scientific Case and Prospects, arXiv:0705.0116
4. K. Abe, et al., Letter of Intent: The Hyper-Kamiokande Experiment-Detector Design and Physics Potential arXiv:1109.3262
5. P. Adamson, et al., CHerenkov Detectors in Mine PitS (CHIPS): Letter of Intent to FNAL, arXiv:1307.5918