| Reference |
F.W. Saris, B.F.J. Luyken, F.J. de Heer and J.F.M. Aarts: Absolute calibration of intensity in the far ultraviolet a) by means of ion or electron impact; b) using a microwave cavity as a monochromatic light source In: Symposium ESRO [European Space Research Organisation], Munich, 27-29 May,1968, [s.n.], 1969. - pp. 67-74 |
