Latest nuclear emulsion technologyHiroki Rokujo, Hiroaki Kawahara, Ryosuke Komatani, Misaki Morishita, Toshiyuki Nakano, Naoto Otsuka and Masahiro YoshimotoEPJ Web Conf., 145 (2017) 19020DOI: https://doi.org/10.1051/epjconf/201614519020