@misc{weko_30455_1,
   author	 = "Mahajan,K. K. and 小山,孝一郎 and 柿並,義宏",
   title	 = "The Central Nightside Venus Ionosphere: Dependence of Ionopause Altitude, Ion Concentration and Plasma Holes on Solar Wind Dynamic Pressure",
   month	 = "may",
   year 	 = "1999"
}