@article{weko_42972_1,
   author	 = "Satou,Yukio",
   title	 = "Effects of Ion-Pumping in a Pulsed Penning Source",
   journal	 = "Review of Scientific Instruments",
   year 	 = "2002",
   volume	 = "73",
   number	 = "",
   pages	 = "720--722",
   month	 = "feb"
}