TY - BOOK AU - Sasaki, N. AU - Kubo, K., coaut.Asano, M., coaut. TI - Graphite filament method for improving the emission efficie-ncy of U ions / N. Sasaki, K. Kubo and M. Asano CY - Kyoto, Japon : Kyoto University, Institute of Atomic Energy N1 - Reprinted from: Journal of physics E: Scientific instrument-s 1974 Volume 7 ER -