1. Fully automated emulsion analysis system
2. T. Nakano, Ph.D. Thesis, Nagoya University, 1997, unpublished.
3. T. Nakano, The Ultra Track Selector, Nagoya University Note, in preparation.
4. K. Niwa et al., Proceedings of International Cosmic Ray Symposium on High Energy Phenomena, Cosmic Ray Laboratory, University of Tokyo, p. 149.