Makoto Sasaki, and Tadashi Kifune for the NTA Collaboration,
“Ashra Neutrino Telescope Array (NTA): Combined Imaging Observation of Astroparticles ??For Clear Identification of Cosmic Accelerators and Fundamental Physics Using Cosmic Beams??”,
Proceedings of the 7th International Workshop on Very High Energy Particle Astronomy in 2014 (VHEPA2014), 10.7566/JPSCP.15.011013,
http://journals.jps.jp/doi/10.7566/JPSCP.15.011013,