About GREVE P
About Ruhr-Univ., West Germany
About KATO M
About Ruhr-Univ., West Germany
About KUNZE H-J
About Ruhr-Univ., West Germany
About HORNADY R S
About Ruhr-Univ., West Germany
About Physical Review. A
About collisional ionization
About Ionization phenomena
About 水素
About ヘリウム
About リチウム
About イオン
About 実験
About 電離