@misc{oai:nifs-repository.repo.nii.ac.jp:02000691,
 author = {URAMOTO, Johsin and URAMOTO, Johshin},
 month = {May},
 title = {Extraction of a Long-Pulsed Intense Electron Beam from a Pulsed Plasma based on Hollow Cathode},
 year = {1977}
}