Freund, H. Electron-Beam Sources of High-Brightness Radiation. SPIE Digital Library.
Chicago (17e ed.) BronvermeldingFreund, Henry. Electron-Beam Sources of High-Brightness Radiation. SPIE Digital Library.
MLA (9e ed.) BronvermeldingFreund, Henry. Electron-Beam Sources of High-Brightness Radiation. SPIE Digital Library.
Let op: Deze citaties zijn niet altijd 100% accuraat.