(1) Masahiro Onoi, Masahiko Yamabuchi„Mitsuyasu Yatsuzuka:“Improvement of Microwave Power from a Virtual Cathode Oscillator and its Repetitive Operation Using a Metal Mesh Anode”,IEEJ Trans. FM, Vol.123, No.1, 2003
(2) Masahiro Onoi, Koji Minami, Hikaru Tanaka, Mitsuyasu Yatsuzuka:“ Development of Repetitive Virtual Cathode Oscillator”, IEEE Trans. FM, Vol.123, No.1, 2003